121877328 has 40 divisors (see below), whose sum is σ = 317344768. Its totient is φ = 40303872.

The previous prime is 121877323. The next prime is 121877339. The reversal of 121877328 is 823778121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121877323) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3901 + ... + 16092.

Almost surely, 2^121877328 is an apocalyptic number.

It is an amenable number.

121877328 is an abundant number, since it is smaller than the sum of its proper divisors (195467440).

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

121877328 is a wasteful number, since it uses less digits than its factorization.

121877328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20131 (or 20125 counting only the distinct ones).

The product of its digits is 37632, while the sum is 39.

The square root of 121877328 is about 11039.8065200437. The cubic root of 121877328 is about 495.8012774857.

The spelling of 121877328 in words is "one hundred twenty-one million, eight hundred seventy-seven thousand, three hundred twenty-eight".