120497091 has 16 divisors (see below), whose sum is σ = 188751360. Its totient is φ = 67410720.

The previous prime is 120497081. The next prime is 120497099. The reversal of 120497091 is 190794021.

It is not a de Polignac number, because 120497091 - 2¹⁰ = 120496067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (120497099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140011 + ... + 140868.

It is an arithmetic number, because the mean of its divisors is an integer number (11796960).

Almost surely, 2^120497091 is an apocalyptic number.

120497091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120497091 is a deficient number, since it is larger than the sum of its proper divisors (68254269).

120497091 is a wasteful number, since it uses less digits than its factorization.

120497091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280906.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 120497091 is about 10977.1166979312. The cubic root of 120497091 is about 493.9225498296.

The spelling of 120497091 in words is "one hundred twenty million, four hundred ninety-seven thousand, ninety-one".