121153135 has 12 divisors (see below), whose sum is σ = 154440648. Its totient is φ = 91220096.

The previous prime is 121153103. The next prime is 121153147. The reversal of 121153135 is 531351121.

It is not a de Polignac number, because 121153135 - 2⁵ = 121153103 is a prime.

It is a congruent number.

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, 40477 + ... + 43366.

It is an arithmetic number, because the mean of its divisors is an integer number (12870054).

Almost surely, 2^121153135 is an apocalyptic number.

121153135 is a deficient number, since it is larger than the sum of its proper divisors (33287513).

121153135 is an equidigital number, since it uses as much as digits as its factorization.

121153135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83882 (or 83865 counting only the distinct ones).

The product of its digits is 450, while the sum is 22.

The square root of 121153135 is about 11006.9584808884. The cubic root of 121153135 is about 494.8173117631.

The spelling of 121153135 in words is "one hundred twenty-one million, one hundred fifty-three thousand, one hundred thirty-five".