120156601 has 2 divisors, whose sum is σ = 120156602. Its totient is φ = 120156600.

The previous prime is 120156593. The next prime is 120156643. The reversal of 120156601 is 106651021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103550976 + 16605625 = 10176^2 + 4075^2 .

It is a cyclic number.

It is not a de Polignac number, because 120156601 - 2³ = 120156593 is a prime.

It is not a weakly prime, because it can be changed into another prime (120150601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60078300 + 60078301.

It is an arithmetic number, because the mean of its divisors is an integer number (60078301).

Almost surely, 2^120156601 is an apocalyptic number.

It is an amenable number.

120156601 is a deficient number, since it is larger than the sum of its proper divisors (1).

120156601 is an equidigital number, since it uses as much as digits as its factorization.

120156601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 120156601 is about 10961.5966446499. The cubic root of 120156601 is about 493.4568834193.

The spelling of 120156601 in words is "one hundred twenty million, one hundred fifty-six thousand, six hundred one".