124439157 has 6 divisors (see below), whose sum is σ = 179745462. Its totient is φ = 82959432.

The previous prime is 124439153. The next prime is 124439179. The reversal of 124439157 is 751934421.

It can be written as a sum of positive squares in only one way, i.e., 101485476 + 22953681 = 10074^2 + 4791^2 .

It is not a de Polignac number, because 124439157 - 2² = 124439153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124439153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6913278 + ... + 6913295.

It is an arithmetic number, because the mean of its divisors is an integer number (29957577).

Almost surely, 2^124439157 is an apocalyptic number.

It is an amenable number.

124439157 is a deficient number, since it is larger than the sum of its proper divisors (55306305).

124439157 is a wasteful number, since it uses less digits than its factorization.

124439157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13826579 (or 13826576 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 124439157 is about 11155.2300290043. The cubic root of 124439157 is about 499.2510881555.

It can be divided in two parts, 1244 and 39157, that added together give a square (40401 = 201²).

The spelling of 124439157 in words is "one hundred twenty-four million, four hundred thirty-nine thousand, one hundred fifty-seven".