124121131 has 16 divisors (see below), whose sum is σ = 136684800. Its totient is φ = 112186368.

The previous prime is 124121119. The next prime is 124121141. The reversal of 124121131 is 131121421.

It is a cyclic number.

It is not a de Polignac number, because 124121131 - 2⁷ = 124121003 is a prime.

It is a super-2 number, since 2×124121131² = 30812110321438322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124121141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109375 + ... + 110503.

It is an arithmetic number, because the mean of its divisors is an integer number (8542800).

Almost surely, 2^124121131 is an apocalyptic number.

124121131 is a deficient number, since it is larger than the sum of its proper divisors (12563669).

124121131 is a wasteful number, since it uses less digits than its factorization.

124121131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398.

The product of its digits is 48, while the sum is 16.

The square root of 124121131 is about 11140.9663404931. The cubic root of 124121131 is about 498.8254175394.

Adding to 124121131 its reverse (131121421), we get a palindrome (255242552).

The spelling of 124121131 in words is "one hundred twenty-four million, one hundred twenty-one thousand, one hundred thirty-one".