121130425 has 12 divisors (see below), whose sum is σ = 161756140. Its totient is φ = 89449920.

The previous prime is 121130417. The next prime is 121130447. The reversal of 121130425 is 524031121.

It can be written as a sum of positive squares in 6 ways, for example, as 24245776 + 96884649 = 4924^2 + 9843^2 .

It is not a de Polignac number, because 121130425 - 2³ = 121130417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186030 + ... + 186679.

Almost surely, 2^121130425 is an apocalyptic number.

It is an amenable number.

121130425 is a deficient number, since it is larger than the sum of its proper divisors (40625715).

121130425 is a wasteful number, since it uses less digits than its factorization.

121130425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372732 (or 372727 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 121130425 is about 11005.9268124043. The cubic root of 121130425 is about 494.7863922072.

Adding to 121130425 its reverse (524031121), we get a palindrome (645161546).

The spelling of 121130425 in words is "one hundred twenty-one million, one hundred thirty thousand, four hundred twenty-five".