120656001 has 8 divisors (see below), whose sum is σ = 165222784. Its totient is φ = 78263280.

The previous prime is 120655993. The next prime is 120656027. The reversal of 120656001 is 100656021.

It is a happy number.

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

It is not a de Polignac number, because 120656001 - 2³ = 120655993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120656101) 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, 543385 + ... + 543606.

It is an arithmetic number, because the mean of its divisors is an integer number (20652848).

Almost surely, 2^120656001 is an apocalyptic number.

It is an amenable number.

120656001 is a deficient number, since it is larger than the sum of its proper divisors (44566783).

120656001 is a wasteful number, since it uses less digits than its factorization.

120656001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087031.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 120656001 is about 10984.3525526086. The cubic root of 120656001 is about 494.1395806682.

The spelling of 120656001 in words is "one hundred twenty million, six hundred fifty-six thousand, one".