120819925 has 6 divisors (see below), whose sum is σ = 149816738. Its totient is φ = 96655920.

The previous prime is 120819893. The next prime is 120819931. The reversal of 120819925 is 529918021.

It can be written as a sum of positive squares in 3 ways, for example, as 654481 + 120165444 = 809^2 + 10962^2 .

It is not a de Polignac number, because 120819925 - 2⁵ = 120819893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2416374 + ... + 2416423.

Almost surely, 2^120819925 is an apocalyptic number.

It is an amenable number.

120819925 is a deficient number, since it is larger than the sum of its proper divisors (28996813).

120819925 is an equidigital number, since it uses as much as digits as its factorization.

120819925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4832807 (or 4832802 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 120819925 is about 10991.8117250979. The cubic root of 120819925 is about 494.3632597797.

The spelling of 120819925 in words is "one hundred twenty million, eight hundred nineteen thousand, nine hundred twenty-five".