121164044 has 24 divisors (see below), whose sum is σ = 214936848. Its totient is φ = 59758400.

The previous prime is 121164041. The next prime is 121164047. The reversal of 121164044 is 440461121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121164041) and next prime (121164047).

It is not an unprimeable number, because it can be changed into a prime (121164041) 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, 178634 + ... + 179310.

It is an arithmetic number, because the mean of its divisors is an integer number (8955702).

Almost surely, 2^121164044 is an apocalyptic number.

It is an amenable number.

121164044 is a deficient number, since it is larger than the sum of its proper divisors (93772804).

121164044 is a wasteful number, since it uses less digits than its factorization.

121164044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225 (or 1223 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 121164044 is about 11007.4540198903. The cubic root of 121164044 is about 494.8321629403.

The spelling of 121164044 in words is "one hundred twenty-one million, one hundred sixty-four thousand, forty-four".