122143024131 has 4 divisors (see below), whose sum is σ = 162857365512. Its totient is φ = 81428682752.

The previous prime is 122143024117. The next prime is 122143024139. The reversal of 122143024131 is 131420341221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122143024131 - 2⁵ = 122143024099 is a prime.

It is a super-2 number, since 2×122143024131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122143024139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20357170686 + ... + 20357170691.

It is an arithmetic number, because the mean of its divisors is an integer number (40714341378).

Almost surely, 2^122143024131 is an apocalyptic number.

122143024131 is a deficient number, since it is larger than the sum of its proper divisors (40714341381).

122143024131 is an equidigital number, since it uses as much as digits as its factorization.

122143024131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40714341380.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 122143024131 its reverse (131420341221), we get a palindrome (253563365352).

The spelling of 122143024131 in words is "one hundred twenty-two billion, one hundred forty-three million, twenty-four thousand, one hundred thirty-one".