122401024431 has 64 divisors (see below), whose sum is σ = 192013234176. Its totient is φ = 67915584000.

The previous prime is 122401024429. The next prime is 122401024451. The reversal of 122401024431 is 134420104221.

It is not a de Polignac number, because 122401024431 - 2¹ = 122401024429 is a prime.

It is a super-2 number, since 2×122401024431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122401024411) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51363066 + ... + 51365448.

It is an arithmetic number, because the mean of its divisors is an integer number (3000206784).

Almost surely, 2^122401024431 is an apocalyptic number.

122401024431 is a deficient number, since it is larger than the sum of its proper divisors (69612209745).

122401024431 is a wasteful number, since it uses less digits than its factorization.

122401024431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2952.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 122401024431 its reverse (134420104221), we get a palindrome (256821128652).

The spelling of 122401024431 in words is "one hundred twenty-two billion, four hundred one million, twenty-four thousand, four hundred thirty-one".