120009091 has 8 divisors (see below), whose sum is σ = 126903168. Its totient is φ = 113304000.

The previous prime is 120009077. The next prime is 120009107. The reversal of 120009091 is 190900021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120009091 - 2⁵ = 120009059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120009041) 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 7 ways as a sum of consecutive naturals, for example, 45940 + ... + 48481.

It is an arithmetic number, because the mean of its divisors is an integer number (15862896).

Almost surely, 2^120009091 is an apocalyptic number.

120009091 is a deficient number, since it is larger than the sum of its proper divisors (6894077).

120009091 is an equidigital number, since it uses as much as digits as its factorization.

120009091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94493.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 120009091 is about 10954.8660877256. The cubic root of 120009091 is about 493.2548702927.

The spelling of 120009091 in words is "one hundred twenty million, nine thousand, ninety-one".