120380635987 has 2 divisors, whose sum is σ = 120380635988. Its totient is φ = 120380635986.

The previous prime is 120380635931. The next prime is 120380636003. The reversal of 120380635987 is 789536083021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120380635987 - 2¹⁵ = 120380603219 is a prime.

It is not a weakly prime, because it can be changed into another prime (120380635187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60190317993 + 60190317994.

It is an arithmetic number, because the mean of its divisors is an integer number (60190317994).

Almost surely, 2^120380635987 is an apocalyptic number.

120380635987 is a deficient number, since it is larger than the sum of its proper divisors (1).

120380635987 is an equidigital number, since it uses as much as digits as its factorization.

120380635987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 120380635987 in words is "one hundred twenty billion, three hundred eighty million, six hundred thirty-five thousand, nine hundred eighty-seven".