124271872 has 18 divisors (see below), whose sum is σ = 248058818. Its totient is φ = 62135808.

The previous prime is 124271867. The next prime is 124271893. The reversal of 124271872 is 278172421.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 106832896 + 17438976 = 10336^2 + 4176^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242463 + ... + 242974.

Almost surely, 2^124271872 is an apocalyptic number.

It is an amenable number.

124271872 is a deficient number, since it is larger than the sum of its proper divisors (123786946).

124271872 is an frugal number, since it uses more digits than its factorization.

124271872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485453 (or 485439 counting only the distinct ones).

The product of its digits is 12544, while the sum is 34.

The square root of 124271872 is about 11147.7294549159. The cubic root of 124271872 is about 499.0272714924.

The spelling of 124271872 in words is "one hundred twenty-four million, two hundred seventy-one thousand, eight hundred seventy-two".