124889017604 has 12 divisors (see below), whose sum is σ = 235367764044. Its totient is φ = 57641085024.

The previous prime is 124889017579. The next prime is 124889017613. The reversal of 124889017604 is 406710988421.

It can be written as a sum of positive squares in 2 ways, for example, as 42106219204 + 82782798400 = 205198^2 + 287720^2 .

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, 1200855887 + ... + 1200855990.

It is an arithmetic number, because the mean of its divisors is an integer number (19613980337).

Almost surely, 2^124889017604 is an apocalyptic number.

It is an amenable number.

124889017604 is a deficient number, since it is larger than the sum of its proper divisors (110478746440).

124889017604 is a wasteful number, since it uses less digits than its factorization.

124889017604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2401711894 (or 2401711892 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 124889017604 in words is "one hundred twenty-four billion, eight hundred eighty-nine million, seventeen thousand, six hundred four".