121341024531 has 12 divisors (see below), whose sum is σ = 175574137752. Its totient is φ = 80753815296.

The previous prime is 121341024517. The next prime is 121341024551. The reversal of 121341024531 is 135420143121.

121341024531 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 410 + 245 + 3 + 1 = 666.

It is not a de Polignac number, because 121341024531 - 2²¹ = 121338927379 is a prime.

It is a super-2 number, since 2×121341024531² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121341024495 and 121341024504.

It is not an unprimeable number, because it can be changed into a prime (121341024551) 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, 11677941 + ... + 11688326.

It is an arithmetic number, because the mean of its divisors is an integer number (14631178146).

Almost surely, 2^121341024531 is an apocalyptic number.

121341024531 is a deficient number, since it is larger than the sum of its proper divisors (54233113221).

121341024531 is a wasteful number, since it uses less digits than its factorization.

121341024531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23366850 (or 23366847 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 121341024531 its reverse (135420143121), we get a palindrome (256761167652).

The spelling of 121341024531 in words is "one hundred twenty-one billion, three hundred forty-one million, twenty-four thousand, five hundred thirty-one".