120664025 has 12 divisors (see below), whose sum is σ = 153274044. Its totient is φ = 94176000.

The previous prime is 120664021. The next prime is 120664031. The reversal of 120664025 is 520466021.

It can be written as a sum of positive squares in 6 ways, for example, as 21780889 + 98883136 = 4667^2 + 9944^2 .

It is not a de Polignac number, because 120664025 - 2² = 120664021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120663985 and 120664003.

It is not an unprimeable number, because it can be changed into a prime (120664021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57836 + ... + 59885.

It is an arithmetic number, because the mean of its divisors is an integer number (12772837).

Almost surely, 2^120664025 is an apocalyptic number.

It is an amenable number.

120664025 is a deficient number, since it is larger than the sum of its proper divisors (32610019).

120664025 is a wasteful number, since it uses less digits than its factorization.

120664025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117772 (or 117767 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 120664025 is about 10984.7177933709. The cubic root of 120664025 is about 494.1505343659.

The spelling of 120664025 in words is "one hundred twenty million, six hundred sixty-four thousand, twenty-five".