124025642 has 32 divisors (see below), whose sum is σ = 213110352. Its totient is φ = 53627904.

The previous prime is 124025641. The next prime is 124025647. The reversal of 124025642 is 246520421.

It can be written as a sum of positive squares in 8 ways, for example, as 4363921 + 119661721 = 2089^2 + 10939^2 .

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 (124025641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121928 + ... + 122940.

Almost surely, 2^124025642 is an apocalyptic number.

124025642 is a deficient number, since it is larger than the sum of its proper divisors (89084710).

124025642 is a wasteful number, since it uses less digits than its factorization.

124025642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 124025642 is about 11136.6800259323. The cubic root of 124025642 is about 498.6974657556.

The spelling of 124025642 in words is "one hundred twenty-four million, twenty-five thousand, six hundred forty-two".