121489024 has 32 divisors (see below), whose sum is σ = 246146400. Its totient is φ = 59711232.

The previous prime is 121489001. The next prime is 121489037. The reversal of 121489024 is 420984121.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

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, 492 + ... + 15595.

It is an arithmetic number, because the mean of its divisors is an integer number (7692075).

Almost surely, 2^121489024 is an apocalyptic number.

It is an amenable number.

121489024 is an abundant number, since it is smaller than the sum of its proper divisors (124657376).

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

121489024 is an equidigital number, since it uses as much as digits as its factorization.

121489024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16160 (or 16148 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 121489024 is about 11022.2059498088. The cubic root of 121489024 is about 495.2741725009.

The spelling of 121489024 in words is "one hundred twenty-one million, four hundred eighty-nine thousand, twenty-four".