121275372 has 12 divisors (see below), whose sum is σ = 282975896. Its totient is φ = 40425120.

The previous prime is 121275311. The next prime is 121275377. The reversal of 121275372 is 273572121.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (121275377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5053129 + ... + 5053152.

Almost surely, 2^121275372 is an apocalyptic number.

121275372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121275372 is an abundant number, since it is smaller than the sum of its proper divisors (161700524).

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

121275372 is a wasteful number, since it uses less digits than its factorization.

121275372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10106288 (or 10106286 counting only the distinct ones).

The product of its digits is 5880, while the sum is 30.

The square root of 121275372 is about 11012.5097956824. The cubic root of 121275372 is about 494.9836705153.

The spelling of 121275372 in words is "one hundred twenty-one million, two hundred seventy-five thousand, three hundred seventy-two".