121974328 has 48 divisors (see below), whose sum is σ = 267067800. Its totient is φ = 52073280.

The previous prime is 121974301. The next prime is 121974343. The reversal of 121974328 is 823479121.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 148158 + ... + 148978.

Almost surely, 2^121974328 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 121974328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133533900).

121974328 is an abundant number, since it is smaller than the sum of its proper divisors (145093472).

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

121974328 is a wasteful number, since it uses less digits than its factorization.

121974328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220 (or 1209 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 121974328 is about 11044.1988392097. The cubic root of 121974328 is about 495.9327757488.

The spelling of 121974328 in words is "one hundred twenty-one million, nine hundred seventy-four thousand, three hundred twenty-eight".