121321382 has 48 divisors (see below), whose sum is σ = 230211072. Its totient is φ = 46931040.

The previous prime is 121321379. The next prime is 121321391. The reversal of 121321382 is 283123121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110657 + ... + 111747.

It is an arithmetic number, because the mean of its divisors is an integer number (4796064).

Almost surely, 2^121321382 is an apocalyptic number.

121321382 is a deficient number, since it is larger than the sum of its proper divisors (108889690).

121321382 is a wasteful number, since it uses less digits than its factorization.

121321382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173 (or 1160 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 121321382 is about 11014.5985855137. The cubic root of 121321382 is about 495.0462589833.

The spelling of 121321382 in words is "one hundred twenty-one million, three hundred twenty-one thousand, three hundred eighty-two".