120165919 has 2 divisors, whose sum is σ = 120165920. Its totient is φ = 120165918.

The previous prime is 120165883. The next prime is 120165943. The reversal of 120165919 is 919561021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120165919 - 2²³ = 111777311 is a prime.

It is a super-2 number, since 2×120165919² = 28879696178229122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120165119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60082959 + 60082960.

It is an arithmetic number, because the mean of its divisors is an integer number (60082960).

Almost surely, 2^120165919 is an apocalyptic number.

120165919 is a deficient number, since it is larger than the sum of its proper divisors (1).

120165919 is an equidigital number, since it uses as much as digits as its factorization.

120165919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 34.

The square root of 120165919 is about 10962.0216657330. The cubic root of 120165919 is about 493.4696387523.

The spelling of 120165919 in words is "one hundred twenty million, one hundred sixty-five thousand, nine hundred nineteen".