124071272 has 32 divisors (see below), whose sum is σ = 251181000. Its totient is φ = 57114624.

The previous prime is 124071271. The next prime is 124071307. The reversal of 124071272 is 272170421.

It can be written as a sum of positive squares in 4 ways, for example, as 100120036 + 23951236 = 10006^2 + 4894^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (124071271) 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, 45368 + ... + 48024.

Almost surely, 2^124071272 is an apocalyptic number.

It is an amenable number.

124071272 is an abundant number, since it is smaller than the sum of its proper divisors (127109728).

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

124071272 is a wasteful number, since it uses less digits than its factorization.

124071272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125 (or 3121 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 124071272 is about 11138.7284732145. The cubic root of 124071272 is about 498.7586164846.

The spelling of 124071272 in words is "one hundred twenty-four million, seventy-one thousand, two hundred seventy-two".