124272172 has 24 divisors (see below), whose sum is σ = 222077520. Its totient is φ = 60830400.

The previous prime is 124272157. The next prime is 124272209. The reversal of 124272172 is 271272421.

It is a self number, because there is not a number n which added to its sum of digits gives 124272172.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64422 + ... + 66322.

It is an arithmetic number, because the mean of its divisors is an integer number (9253230).

Almost surely, 2^124272172 is an apocalyptic number.

It is an amenable number.

124272172 is a deficient number, since it is larger than the sum of its proper divisors (97805348).

124272172 is a wasteful number, since it uses less digits than its factorization.

124272172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241 (or 2239 counting only the distinct ones).

The product of its digits is 3136, while the sum is 28.

The square root of 124272172 is about 11147.7429105627. The cubic root of 124272172 is about 499.0276730530.

The spelling of 124272172 in words is "one hundred twenty-four million, two hundred seventy-two thousand, one hundred seventy-two".