121274525 has 12 divisors (see below), whose sum is σ = 151216884. Its totient is φ = 96480000.

The previous prime is 121274519. The next prime is 121274551. The reversal of 121274525 is 525472121.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 35545444 + 85729081 = 5962^2 + 9259^2 .

It is not a de Polignac number, because 121274525 - 2⁴ = 121274509 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8876 + ... + 17925.

It is an arithmetic number, because the mean of its divisors is an integer number (12601407).

Almost surely, 2^121274525 is an apocalyptic number.

It is an amenable number.

121274525 is a deficient number, since it is larger than the sum of its proper divisors (29942359).

121274525 is a wasteful number, since it uses less digits than its factorization.

121274525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26992 (or 26987 counting only the distinct ones).

The product of its digits is 5600, while the sum is 29.

The square root of 121274525 is about 11012.4713393498. The cubic root of 121274525 is about 494.9825181732.

The spelling of 121274525 in words is "one hundred twenty-one million, two hundred seventy-four thousand, five hundred twenty-five".