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122411421 = 32111236479
BaseRepresentation
bin1110100101111…
…01100110011101
322112100010220100
413102331212131
5222314131141
620051411313
73014323416
oct722754635
9275303810
10122411421
1163109570
1234bb3b39
131c48c6c2
141238680d
15ab300b6
hex74bd99d

122411421 has 12 divisors (see below), whose sum is σ = 192890880. Its totient is φ = 74188680.

The previous prime is 122411417. The next prime is 122411423. The reversal of 122411421 is 124114221.

122411421 is a `hidden beast` number, since 1 + 2 + 241 + 1 + 421 = 666.

It is not a de Polignac number, because 122411421 - 22 = 122411417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122411394 and 122411403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122411423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 618141 + ... + 618338.

It is an arithmetic number, because the mean of its divisors is an integer number (16074240).

Almost surely, 2122411421 is an apocalyptic number.

122411421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122411421 is a deficient number, since it is larger than the sum of its proper divisors (70479459).

122411421 is a wasteful number, since it uses less digits than its factorization.

122411421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236496 (or 1236493 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 122411421 is about 11063.9694956196. The cubic root of 122411421 is about 496.5244585329.

Adding to 122411421 its reverse (124114221), we get a palindrome (246525642).

It can be divided in two parts, 1 and 22411421, that added together give a palindrome (22411422).

The spelling of 122411421 in words is "one hundred twenty-two million, four hundred eleven thousand, four hundred twenty-one".

Divisors: 1 3 9 11 33 99 1236479 3709437 11128311 13601269 40803807 122411421