120975665 has 8 divisors (see below), whose sum is σ = 147631680. Its totient is φ = 95139952.

The previous prime is 120975661. The next prime is 120975667. The reversal of 120975665 is 566579021.

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 120975665 - 2² = 120975661 is a prime.

It is a super-2 number, since 2×120975665² = 29270223044384450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120975661) 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, 204749 + ... + 205338.

It is an arithmetic number, because the mean of its divisors is an integer number (18453960).

Almost surely, 2^120975665 is an apocalyptic number.

It is an amenable number.

120975665 is a deficient number, since it is larger than the sum of its proper divisors (26656015).

120975665 is an equidigital number, since it uses as much as digits as its factorization.

120975665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410151.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 120975665 is about 10998.8938080154. The cubic root of 120975665 is about 494.5755842401.

The spelling of 120975665 in words is "one hundred twenty million, nine hundred seventy-five thousand, six hundred sixty-five".