120911385 has 16 divisors (see below), whose sum is σ = 221095296. Its totient is φ = 55273728.

The previous prime is 120911347. The next prime is 120911393. The reversal of 120911385 is 583119021.

It is not a de Polignac number, because 120911385 - 2⁹ = 120910873 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 575664 + ... + 575873.

It is an arithmetic number, because the mean of its divisors is an integer number (13818456).

Almost surely, 2^120911385 is an apocalyptic number.

120911385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120911385 is a deficient number, since it is larger than the sum of its proper divisors (100183911).

120911385 is a wasteful number, since it uses less digits than its factorization.

120911385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151552.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 120911385 is about 10995.9713077108. The cubic root of 120911385 is about 494.4879717136.

The spelling of 120911385 in words is "one hundred twenty million, nine hundred eleven thousand, three hundred eighty-five".