120639016 has 8 divisors (see below), whose sum is σ = 226198170. Its totient is φ = 60319504.

The previous prime is 120639007. The next prime is 120639031. The reversal of 120639016 is 610936021.

It can be written as a sum of positive squares in only one way, i.e., 120340900 + 298116 = 10970^2 + 546^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7539931 + ... + 7539946.

Almost surely, 2^120639016 is an apocalyptic number.

It is an amenable number.

120639016 is a deficient number, since it is larger than the sum of its proper divisors (105559154).

120639016 is a wasteful number, since it uses less digits than its factorization.

120639016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15079883 (or 15079879 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 120639016 is about 10983.5793801474. The cubic root of 120639016 is about 494.1163925561.

The spelling of 120639016 in words is "one hundred twenty million, six hundred thirty-nine thousand, sixteen".