124991044 has 24 divisors (see below), whose sum is σ = 238190400. Its totient is φ = 57163680.

The previous prime is 124991029. The next prime is 124991047. The reversal of 124991044 is 440199421.

It is a super-2 number, since 2×124991044² = 31245522160419872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124991047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26152 + ... + 30559.

It is an arithmetic number, because the mean of its divisors is an integer number (9924600).

Almost surely, 2^124991044 is an apocalyptic number.

It is an amenable number.

124991044 is a deficient number, since it is larger than the sum of its proper divisors (113199356).

124991044 is a wasteful number, since it uses less digits than its factorization.

124991044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56763 (or 56761 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 124991044 is about 11179.9393558284. The cubic root of 124991044 is about 499.9880583815.

The spelling of 124991044 in words is "one hundred twenty-four million, nine hundred ninety-one thousand, forty-four".