121165132 has 48 divisors (see below), whose sum is σ = 240861600. Its totient is φ = 52828160.

The previous prime is 121165123. The next prime is 121165151. The reversal of 121165132 is 231561121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 343068 + ... + 343420.

It is an arithmetic number, because the mean of its divisors is an integer number (5017950).

Almost surely, 2^121165132 is an apocalyptic number.

It is an amenable number.

121165132 is a deficient number, since it is larger than the sum of its proper divisors (119696468).

121165132 is a wasteful number, since it uses less digits than its factorization.

121165132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666 (or 664 counting only the distinct ones).

The product of its digits is 360, while the sum is 22.

The square root of 121165132 is about 11007.5034408353. The cubic root of 121165132 is about 494.8336440612.

The spelling of 121165132 in words is "one hundred twenty-one million, one hundred sixty-five thousand, one hundred thirty-two".