121132992 has 28 divisors (see below), whose sum is σ = 320498216. Its totient is φ = 40377600.

The previous prime is 121132987. The next prime is 121132993. The reversal of 121132992 is 299231121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121132993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315259 + ... + 315642.

Almost surely, 2^121132992 is an apocalyptic number.

121132992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121132992 is an abundant number, since it is smaller than the sum of its proper divisors (199365224).

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

121132992 is an equidigital number, since it uses as much as digits as its factorization.

121132992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630916 (or 630906 counting only the distinct ones).

The product of its digits is 1944, while the sum is 30.

The square root of 121132992 is about 11006.0434307702. The cubic root of 121132992 is about 494.7898873591.

The spelling of 121132992 in words is "one hundred twenty-one million, one hundred thirty-two thousand, nine hundred ninety-two".