121481487 has 24 divisors (see below), whose sum is σ = 179010000. Its totient is φ = 79372800.

The previous prime is 121481449. The next prime is 121481489. The reversal of 121481487 is 784184121.

It is not a de Polignac number, because 121481487 - 2⁷ = 121481359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121481489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96639 + ... + 97887.

It is an arithmetic number, because the mean of its divisors is an integer number (7458750).

Almost surely, 2^121481487 is an apocalyptic number.

121481487 is a deficient number, since it is larger than the sum of its proper divisors (57528513).

121481487 is a wasteful number, since it uses less digits than its factorization.

121481487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463 (or 1460 counting only the distinct ones).

The product of its digits is 14336, while the sum is 36.

The square root of 121481487 is about 11021.8640437995. The cubic root of 121481487 is about 495.2639302625.

The spelling of 121481487 in words is "one hundred twenty-one million, four hundred eighty-one thousand, four hundred eighty-seven".