120739091 has 16 divisors (see below), whose sum is σ = 140227200. Its totient is φ = 102801600.

The previous prime is 120739057. The next prime is 120739169. The reversal of 120739091 is 190937021.

It is a happy number.

It is not a de Polignac number, because 120739091 - 2¹⁸ = 120476947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120739001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15356 + ... + 21846.

It is an arithmetic number, because the mean of its divisors is an integer number (8764200).

Almost surely, 2^120739091 is an apocalyptic number.

120739091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120739091 is a deficient number, since it is larger than the sum of its proper divisors (19488109).

120739091 is a wasteful number, since it uses less digits than its factorization.

120739091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6610.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 120739091 is about 10988.1341000190. The cubic root of 120739091 is about 494.2529847153.

The spelling of 120739091 in words is "one hundred twenty million, seven hundred thirty-nine thousand, ninety-one".