122634431 has 4 divisors (see below), whose sum is σ = 122668200. Its totient is φ = 122600664.

The previous prime is 122634397. The next prime is 122634433. The reversal of 122634431 is 134436221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122634431 - 2¹⁴ = 122618047 is a prime.

It is a super-2 number, since 2×122634431² = 30078407333387522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122634431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122634433) 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, 10676 + ... + 18953.

It is an arithmetic number, because the mean of its divisors is an integer number (30667050).

Almost surely, 2^122634431 is an apocalyptic number.

122634431 is a deficient number, since it is larger than the sum of its proper divisors (33769).

122634431 is an equidigital number, since it uses as much as digits as its factorization.

122634431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33768.

The product of its digits is 3456, while the sum is 26.

The square root of 122634431 is about 11074.0431189336. The cubic root of 122634431 is about 496.8257995454.

The spelling of 122634431 in words is "one hundred twenty-two million, six hundred thirty-four thousand, four hundred thirty-one".