122547113631 has 48 divisors (see below), whose sum is σ = 198617196960. Its totient is φ = 72429987840.

The previous prime is 122547113593. The next prime is 122547113651. The reversal of 122547113631 is 136311745221.

122547113631 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 4 + 7 + 1 + 13 + 631 = 666.

It is not a de Polignac number, because 122547113631 - 2¹⁴ = 122547097247 is a prime.

It is a super-2 number, since 2×122547113631² (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 (122547113651) 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 47 ways as a sum of consecutive naturals, for example, 154905 + ... + 518738.

It is an arithmetic number, because the mean of its divisors is an integer number (4137858270).

Almost surely, 2^122547113631 is an apocalyptic number.

122547113631 is a deficient number, since it is larger than the sum of its proper divisors (76070083329).

122547113631 is a wasteful number, since it uses less digits than its factorization.

122547113631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673736 (or 673733 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

Adding to 122547113631 its reverse (136311745221), we get a palindrome (258858858852).

The spelling of 122547113631 in words is "one hundred twenty-two billion, five hundred forty-seven million, one hundred thirteen thousand, six hundred thirty-one".