122653431 has 12 divisors (see below), whose sum is σ = 177337680. Its totient is φ = 81689760.

The previous prime is 122653429. The next prime is 122653439. The reversal of 122653431 is 134356221.

122653431 is a `hidden beast` number, since 1 + 2 + 2 + 653 + 4 + 3 + 1 = 666.

It is not a de Polignac number, because 122653431 - 2¹ = 122653429 is a prime.

It is a super-2 number, since 2×122653431² = 30087728272143522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 122653395 and 122653404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122653439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4126 + ... + 16196.

It is an arithmetic number, because the mean of its divisors is an integer number (14778140).

Almost surely, 2^122653431 is an apocalyptic number.

122653431 is a deficient number, since it is larger than the sum of its proper divisors (54684249).

122653431 is a wasteful number, since it uses less digits than its factorization.

122653431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13206 (or 13203 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 122653431 is about 11074.9009476383. The cubic root of 122653431 is about 496.8514562951.

The spelling of 122653431 in words is "one hundred twenty-two million, six hundred fifty-three thousand, four hundred thirty-one".