121135122 has 32 divisors (see below), whose sum is σ = 270092160. Its totient is φ = 40242960.

The previous prime is 121135111. The next prime is 121135169. The reversal of 121135122 is 221531121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121135095 and 121135104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13188 + ... + 20400.

It is an arithmetic number, because the mean of its divisors is an integer number (8440380).

Almost surely, 2^121135122 is an apocalyptic number.

121135122 is an abundant number, since it is smaller than the sum of its proper divisors (148957038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121135122 is a wasteful number, since it uses less digits than its factorization.

121135122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7535 (or 7529 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 121135122 is about 11006.1401953637. The cubic root of 121135122 is about 494.7927874671.

Adding to 121135122 its reverse (221531121), we get a palindrome (342666243).

The spelling of 121135122 in words is "one hundred twenty-one million, one hundred thirty-five thousand, one hundred twenty-two".