121323398 has 32 divisors (see below), whose sum is σ = 226007040. Its totient is φ = 47666880.

The previous prime is 121323383. The next prime is 121323409. The reversal of 121323398 is 893323121.

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 15 ways as a sum of consecutive naturals, for example, 890 + ... + 15602.

It is an arithmetic number, because the mean of its divisors is an integer number (7062720).

Almost surely, 2^121323398 is an apocalyptic number.

121323398 is a deficient number, since it is larger than the sum of its proper divisors (104683642).

121323398 is a wasteful number, since it uses less digits than its factorization.

121323398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14772.

The product of its digits is 7776, while the sum is 32.

The square root of 121323398 is about 11014.6901000437. The cubic root of 121323398 is about 495.0490010329.

The spelling of 121323398 in words is "one hundred twenty-one million, three hundred twenty-three thousand, three hundred ninety-eight".