124398623872 has 32 divisors (see below), whose sum is σ = 247851441180. Its totient is φ = 62192772096.

The previous prime is 124398623743. The next prime is 124398623897. The reversal of 124398623872 is 278326893421.

It can be written as a sum of positive squares in 2 ways, for example, as 87819766336 + 36578857536 = 296344^2 + 191256^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312678 + ... + 1404250.

Almost surely, 2^124398623872 is an apocalyptic number.

It is an amenable number.

124398623872 is a deficient number, since it is larger than the sum of its proper divisors (123452817308).

124398623872 is an equidigital number, since it uses as much as digits as its factorization.

124398623872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102200 (or 102188 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 55.

The spelling of 124398623872 in words is "one hundred twenty-four billion, three hundred ninety-eight million, six hundred twenty-three thousand, eight hundred seventy-two".