120995121 has 8 divisors (see below), whose sum is σ = 173736640. Its totient is φ = 74458512.

The previous prime is 120995113. The next prime is 120995153. The reversal of 120995121 is 121599021.

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

It is not a de Polignac number, because 120995121 - 2³ = 120995113 is a prime.

It is a Duffinian number.

120995121 is a modest number, since divided by 95121 gives 1209 as remainder.

It is not an unprimeable number, because it can be changed into a prime (120995101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1551181 + ... + 1551258.

It is an arithmetic number, because the mean of its divisors is an integer number (21717080).

Almost surely, 2^120995121 is an apocalyptic number.

It is an amenable number.

120995121 is a deficient number, since it is larger than the sum of its proper divisors (52741519).

120995121 is a wasteful number, since it uses less digits than its factorization.

120995121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102455.

The product of its (nonzero) digits is 1620, while the sum is 30.

The square root of 120995121 is about 10999.7782250371. The cubic root of 120995121 is about 494.6020963125.

The spelling of 120995121 in words is "one hundred twenty million, nine hundred ninety-five thousand, one hundred twenty-one".