124787984 has 20 divisors (see below), whose sum is σ = 241949916. Its totient is φ = 62349312.

The previous prime is 124787981. The next prime is 124787987. The reversal of 124787984 is 489787421.

It is an interprime number because it is at equal distance from previous prime (124787981) and next prime (124787987).

It can be written as a sum of positive squares in 2 ways, for example, as 87235600 + 37552384 = 9340^2 + 6128^2 .

It is not an unprimeable number, because it can be changed into a prime (124787981) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 42632 + ... + 45464.

Almost surely, 2^124787984 is an apocalyptic number.

It is an amenable number.

124787984 is a deficient number, since it is larger than the sum of its proper divisors (117161932).

124787984 is a wasteful number, since it uses less digits than its factorization.

124787984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5594 (or 5588 counting only the distinct ones).

The product of its digits is 903168, while the sum is 50.

The square root of 124787984 is about 11170.8542197989. The cubic root of 124787984 is about 499.7171520242.

The spelling of 124787984 in words is "one hundred twenty-four million, seven hundred eighty-seven thousand, nine hundred eighty-four".