124220323131 has 16 divisors (see below), whose sum is σ = 165889150848. Its totient is φ = 82682600000.

The previous prime is 124220323103. The next prime is 124220323133. The reversal of 124220323131 is 131323022421.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124220323131 is a prime.

It is a super-2 number, since 2×124220323131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124220323133) 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, 8058031 + ... + 8073431.

It is an arithmetic number, because the mean of its divisors is an integer number (10368071928).

Almost surely, 2^124220323131 is an apocalyptic number.

124220323131 is a deficient number, since it is larger than the sum of its proper divisors (41668827717).

124220323131 is a wasteful number, since it uses less digits than its factorization.

124220323131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19482.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 124220323131 its reverse (131323022421), we get a palindrome (255543345552).

The spelling of 124220323131 in words is "one hundred twenty-four billion, two hundred twenty million, three hundred twenty-three thousand, one hundred thirty-one".