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122062420 = 2256103121
BaseRepresentation
bin1110100011010…
…00011001010100
322111200102011101
413101220121110
5222221444140
620040115444
73011341054
oct721503124
9274612141
10122062420
11629a0337
1234a65b84
131c3998ac
14122d5564
15aab199a
hex7468654

122062420 has 12 divisors (see below), whose sum is σ = 256331124. Its totient is φ = 48824960.

The previous prime is 122062417. The next prime is 122062429. The reversal of 122062420 is 24260221.

It can be written as a sum of positive squares in 2 ways, for example, as 90859024 + 31203396 = 9532^2 + 5586^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122062429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3051541 + ... + 3051580.

It is an arithmetic number, because the mean of its divisors is an integer number (21360927).

Almost surely, 2122062420 is an apocalyptic number.

122062420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122062420 is an abundant number, since it is smaller than the sum of its proper divisors (134268704).

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

122062420 is a wasteful number, since it uses less digits than its factorization.

122062420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6103130 (or 6103128 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 122062420 is about 11048.1862764890. The cubic root of 122062420 is about 496.0521374694.

The spelling of 122062420 in words is "one hundred twenty-two million, sixty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 6103121 12206242 24412484 30515605 61031210 122062420