120709420538 has 48 divisors (see below), whose sum is σ = 217130492160. Its totient is φ = 50158954944.

The previous prime is 120709420501. The next prime is 120709420541. The reversal of 120709420538 is 835024907021.

It is a junction number, because it is equal to n+sod(n) for n = 120709420495 and 120709420504.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 279095 + ... + 565077.

It is an arithmetic number, because the mean of its divisors is an integer number (4523551920).

Almost surely, 2^120709420538 is an apocalyptic number.

120709420538 is a deficient number, since it is larger than the sum of its proper divisors (96421071622).

120709420538 is a wasteful number, since it uses less digits than its factorization.

120709420538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286131 (or 286124 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 120709420538 in words is "one hundred twenty billion, seven hundred nine million, four hundred twenty thousand, five hundred thirty-eight".