121325135 has 8 divisors (see below), whose sum is σ = 145652496. Its totient is φ = 97018560.

The previous prime is 121325131. The next prime is 121325137. The reversal of 121325135 is 531523121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121325135 - 2² = 121325131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121325135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121325131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14315 + ... + 21155.

It is an arithmetic number, because the mean of its divisors is an integer number (18206562).

Almost surely, 2^121325135 is an apocalyptic number.

121325135 is a deficient number, since it is larger than the sum of its proper divisors (24327361).

121325135 is an equidigital number, since it uses as much as digits as its factorization.

121325135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10393.

The product of its digits is 900, while the sum is 23.

The square root of 121325135 is about 11014.7689490066. The cubic root of 121325135 is about 495.0513635780.

Adding to 121325135 its reverse (531523121), we get a palindrome (652848256).

The spelling of 121325135 in words is "one hundred twenty-one million, three hundred twenty-five thousand, one hundred thirty-five".