121375394 has 8 divisors (see below), whose sum is σ = 208072128. Its totient is φ = 52018020.

The previous prime is 121375379. The next prime is 121375399. The reversal of 121375394 is 493573121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (121375399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4334822 + ... + 4334849.

It is an arithmetic number, because the mean of its divisors is an integer number (26009016).

Almost surely, 2^121375394 is an apocalyptic number.

121375394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121375394 is a deficient number, since it is larger than the sum of its proper divisors (86696734).

121375394 is an equidigital number, since it uses as much as digits as its factorization.

121375394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8669680.

The product of its digits is 22680, while the sum is 35.

The square root of 121375394 is about 11017.0501496544. The cubic root of 121375394 is about 495.1197125689.

The spelling of 121375394 in words is "one hundred twenty-one million, three hundred seventy-five thousand, three hundred ninety-four".