124894172 has 24 divisors (see below), whose sum is σ = 249224976. Its totient is φ = 54252288.

The previous prime is 124894157. The next prime is 124894177. The reversal of 124894172 is 271498421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124894177) 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, 69758 + ... + 71525.

It is an arithmetic number, because the mean of its divisors is an integer number (10384374).

Almost surely, 2^124894172 is an apocalyptic number.

It is an amenable number.

124894172 is a deficient number, since it is larger than the sum of its proper divisors (124330804).

124894172 is a wasteful number, since it uses less digits than its factorization.

124894172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141317 (or 141315 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 124894172 is about 11175.6061133166. The cubic root of 124894172 is about 499.8588561606.

It can be divided in two parts, 12489 and 4172, that added together give a palindrome (16661).

The spelling of 124894172 in words is "one hundred twenty-four million, eight hundred ninety-four thousand, one hundred seventy-two".