121087488 has 80 divisors (see below), whose sum is σ = 333121536. Its totient is φ = 39045120.

The previous prime is 121087471. The next prime is 121087507. The reversal of 121087488 is 884780121.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46345 + ... + 48887.

Almost surely, 2^121087488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121087488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166560768).

121087488 is an abundant number, since it is smaller than the sum of its proper divisors (212034048).

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

121087488 is an equidigital number, since it uses as much as digits as its factorization.

121087488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595 (or 2579 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 39.

The square root of 121087488 is about 11003.9760086979. The cubic root of 121087488 is about 494.7279231259.

The spelling of 121087488 in words is "one hundred twenty-one million, eighty-seven thousand, four hundred eighty-eight".