120011091 has 16 divisors (see below), whose sum is σ = 164656128. Its totient is φ = 77695200.

The previous prime is 120011057. The next prime is 120011119. The reversal of 120011091 is 190110021.

It is not a de Polignac number, because 120011091 - 2¹⁵ = 119978323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120011091.

It is not an unprimeable number, because it can be changed into a prime (120011491) 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, 109456 + ... + 110546.

It is an arithmetic number, because the mean of its divisors is an integer number (10291008).

Almost surely, 2^120011091 is an apocalyptic number.

120011091 is a deficient number, since it is larger than the sum of its proper divisors (44645037).

120011091 is a wasteful number, since it uses less digits than its factorization.

120011091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122.

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 120011091 is about 10954.9573709805. The cubic root of 120011091 is about 493.2576103747.

The spelling of 120011091 in words is "one hundred twenty million, eleven thousand, ninety-one".