121488 has 20 divisors (see below), whose sum is σ = 313968. Its totient is φ = 40480.

The previous prime is 121487. The next prime is 121493. The reversal of 121488 is 884121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (121487) 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, 1218 + ... + 1313.

2¹²¹⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

121488 is an abundant number, since it is smaller than the sum of its proper divisors (192480).

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

121488 is a wasteful number, since it uses less digits than its factorization.

121488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542 (or 2536 counting only the distinct ones).

The product of its digits is 512, while the sum is 24.

The square root of 121488 is about 348.5512874743. The cubic root of 121488 is about 49.5272780984.

The spelling of 121488 in words is "one hundred twenty-one thousand, four hundred eighty-eight".