120104639 has 2 divisors, whose sum is σ = 120104640. Its totient is φ = 120104638.

The previous prime is 120104629. The next prime is 120104671. The reversal of 120104639 is 936401021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120104639 - 2⁴ = 120104623 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120104629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60052319 + 60052320.

It is an arithmetic number, because the mean of its divisors is an integer number (60052320).

Almost surely, 2^120104639 is an apocalyptic number.

120104639 is a deficient number, since it is larger than the sum of its proper divisors (1).

120104639 is an equidigital number, since it uses as much as digits as its factorization.

120104639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 120104639 is about 10959.2262044362. The cubic root of 120104639 is about 493.3857409729.

The spelling of 120104639 in words is "one hundred twenty million, one hundred four thousand, six hundred thirty-nine".