124220402031 has 96 divisors (see below), whose sum is σ = 193809178368. Its totient is φ = 70128737280.

The previous prime is 124220402029. The next prime is 124220402077. The reversal of 124220402031 is 130204022421.

It is not a de Polignac number, because 124220402031 - 2¹ = 124220402029 is a prime.

It is a super-2 number, since 2×124220402031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124220401989 and 124220402007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124220402531) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 140679516 + ... + 140680398.

It is an arithmetic number, because the mean of its divisors is an integer number (2018845608).

Almost surely, 2^124220402031 is an apocalyptic number.

124220402031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

124220402031 is a deficient number, since it is larger than the sum of its proper divisors (69588776337).

124220402031 is a wasteful number, since it uses less digits than its factorization.

124220402031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129 (or 1100 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 124220402031 its reverse (130204022421), we get a palindrome (254424424452).

The spelling of 124220402031 in words is "one hundred twenty-four billion, two hundred twenty million, four hundred two thousand, thirty-one".