124889439608 has 32 divisors (see below), whose sum is σ = 247991382000. Its totient is φ = 58759859712.

The previous prime is 124889439607. The next prime is 124889439637. The reversal of 124889439608 is 806934988421.

It is a Cunningham number, because it is equal to 353397²-1.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124889439607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618443 + ... + 795141.

Almost surely, 2^124889439608 is an apocalyptic number.

It is an amenable number.

124889439608 is a deficient number, since it is larger than the sum of its proper divisors (123101942392).

124889439608 is a wasteful number, since it uses less digits than its factorization.

124889439608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181919 (or 181915 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 62.

The spelling of 124889439608 in words is "one hundred twenty-four billion, eight hundred eighty-nine million, four hundred thirty-nine thousand, six hundred eight".