124499390988 has 48 divisors (see below), whose sum is σ = 333683691264. Its totient is φ = 35390685120.

The previous prime is 124499390987. The next prime is 124499391041. The reversal of 124499390988 is 889093994421.

It is a super-2 number, since 2×124499390988² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124499390987) 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, 3745218 + ... + 3778313.

It is an arithmetic number, because the mean of its divisors is an integer number (6951743568).

Almost surely, 2^124499390988 is an apocalyptic number.

It is an amenable number.

124499390988 is an abundant number, since it is smaller than the sum of its proper divisors (209184300276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124499390988 is a wasteful number, since it uses less digits than its factorization.

124499390988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7523742 (or 7523740 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 66.

The spelling of 124499390988 in words is "one hundred twenty-four billion, four hundred ninety-nine million, three hundred ninety thousand, nine hundred eighty-eight".