122746152431 has 12 divisors (see below), whose sum is σ = 142859638080. Its totient is φ = 105156979200.

The previous prime is 122746152407. The next prime is 122746152437. The reversal of 122746152431 is 134251647221.

It is not a de Polignac number, because 122746152431 - 2²² = 122741958127 is a prime.

It is a super-2 number, since 2×122746152431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122746152437) 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, 546386 + ... + 737583.

It is an arithmetic number, because the mean of its divisors is an integer number (11904969840).

Almost surely, 2^122746152431 is an apocalyptic number.

122746152431 is a deficient number, since it is larger than the sum of its proper divisors (20113485649).

122746152431 is a wasteful number, since it uses less digits than its factorization.

122746152431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285934 (or 1285927 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

Adding to 122746152431 its reverse (134251647221), we get a palindrome (256997799652).

The spelling of 122746152431 in words is "one hundred twenty-two billion, seven hundred forty-six million, one hundred fifty-two thousand, four hundred thirty-one".