122454540131 has 16 divisors (see below), whose sum is σ = 161651220480. Its totient is φ = 89806231680.

The previous prime is 122454540127. The next prime is 122454540149. The reversal of 122454540131 is 131045454221.

It is not a de Polignac number, because 122454540131 - 2² = 122454540127 is a prime.

It is a super-2 number, since 2×122454540131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122454540931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46772771 + ... + 46775388.

It is an arithmetic number, because the mean of its divisors is an integer number (10103201280).

Almost surely, 2^122454540131 is an apocalyptic number.

122454540131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122454540131 is a deficient number, since it is larger than the sum of its proper divisors (39196680349).

122454540131 is a wasteful number, since it uses less digits than its factorization.

122454540131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93548194.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 122454540131 its reverse (131045454221), we get a palindrome (253499994352).

The spelling of 122454540131 in words is "one hundred twenty-two billion, four hundred fifty-four million, five hundred forty thousand, one hundred thirty-one".