121487588 has 12 divisors (see below), whose sum is σ = 212686320. Its totient is φ = 60720072.

The previous prime is 121487563. The next prime is 121487591. The reversal of 121487588 is 885784121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10895 + ... + 19017.

It is an arithmetic number, because the mean of its divisors is an integer number (17723860).

Almost surely, 2^121487588 is an apocalyptic number.

It is an amenable number.

121487588 is a deficient number, since it is larger than the sum of its proper divisors (91198732).

121487588 is a wasteful number, since it uses less digits than its factorization.

121487588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11866 (or 11864 counting only the distinct ones).

The product of its digits is 143360, while the sum is 44.

The square root of 121487588 is about 11022.1408083911. The cubic root of 121487588 is about 495.2722211133.

The spelling of 121487588 in words is "one hundred twenty-one million, four hundred eighty-seven thousand, five hundred eighty-eight".