121131325 has 24 divisors (see below), whose sum is σ = 174096000. Its totient is φ = 81883200.

The previous prime is 121131323. The next prime is 121131349. The reversal of 121131325 is 523131121.

It is not a de Polignac number, because 121131325 - 2¹ = 121131323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121131323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7551 + ... + 17299.

It is an arithmetic number, because the mean of its divisors is an integer number (7254000).

Almost surely, 2^121131325 is an apocalyptic number.

It is an amenable number.

121131325 is a deficient number, since it is larger than the sum of its proper divisors (52964675).

121131325 is an equidigital number, since it uses as much as digits as its factorization.

121131325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9837 (or 9832 counting only the distinct ones).

The product of its digits is 180, while the sum is 19.

The square root of 121131325 is about 11005.9676993893. The cubic root of 121131325 is about 494.7876176265.

Adding to 121131325 its reverse (523131121), we get a palindrome (644262446).

The spelling of 121131325 in words is "one hundred twenty-one million, one hundred thirty-one thousand, three hundred twenty-five".