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122425020 = 2234575571
BaseRepresentation
bin1110100110000…
…00111010111100
322112100211120000
413103000322330
5222320100040
620051554300
73014411154
oct723007274
9275324500
10122425020
1163118803
1234bbb990
131c495953
141238b764
15ab34130
hex74c0ebc

122425020 has 60 divisors (see below), whose sum is σ = 384056904. Its totient is φ = 32646240.

The previous prime is 122425019. The next prime is 122425033. The reversal of 122425020 is 20524221.

122425020 is a `hidden beast` number, since 122 + 42 + 502 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 122424984 and 122425002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36166 + ... + 39405.

Almost surely, 2122425020 is an apocalyptic number.

122425020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122425020 is an abundant number, since it is smaller than the sum of its proper divisors (261631884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122425020 is a wasteful number, since it uses less digits than its factorization.

122425020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75592 (or 75581 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 122425020 is about 11064.5840409841. The cubic root of 122425020 is about 496.5428445790.

Adding to 122425020 its reverse (20524221), we get a palindrome (142949241).

It can be divided in two parts, 1224 and 25020, that added together give a square (26244 = 1622).

The spelling of 122425020 in words is "one hundred twenty-two million, four hundred twenty-five thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 270 324 405 540 810 1620 75571 151142 226713 302284 377855 453426 680139 755710 906852 1133565 1360278 1511420 2040417 2267130 2720556 3400695 4080834 4534260 6121251 6801390 8161668 10202085 12242502 13602780 20404170 24485004 30606255 40808340 61212510 122425020