121434024131 has 16 divisors (see below), whose sum is σ = 139334860800. Its totient is φ = 103671677088.

The previous prime is 121434024043. The next prime is 121434024149. The reversal of 121434024131 is 131420434121.

It is not a de Polignac number, because 121434024131 - 2³⁰ = 120360282307 is a prime.

It is a super-2 number, since 2×121434024131² (a number of 23 digits) 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 121434024131.

It is not an unprimeable number, because it can be changed into a prime (121434084131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10356290 + ... + 10368008.

It is an arithmetic number, because the mean of its divisors is an integer number (8708428800).

Almost surely, 2^121434024131 is an apocalyptic number.

121434024131 is a deficient number, since it is larger than the sum of its proper divisors (17900836669).

121434024131 is a wasteful number, since it uses less digits than its factorization.

121434024131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17498.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 121434024131 its reverse (131420434121), we get a palindrome (252854458252).

The spelling of 121434024131 in words is "one hundred twenty-one billion, four hundred thirty-four million, twenty-four thousand, one hundred thirty-one".