121375718 has 8 divisors (see below), whose sum is σ = 182178048. Its totient is φ = 60649704.

The previous prime is 121375711. The next prime is 121375721. The reversal of 121375718 is 817573121.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121375711) 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, 14921 + ... + 21572.

It is an arithmetic number, because the mean of its divisors is an integer number (22772256).

Almost surely, 2^121375718 is an apocalyptic number.

121375718 is a deficient number, since it is larger than the sum of its proper divisors (60802330).

121375718 is a wasteful number, since it uses less digits than its factorization.

121375718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38158.

The product of its digits is 11760, while the sum is 35.

The square root of 121375718 is about 11017.0648541252. The cubic root of 121375718 is about 495.1201531268.

The spelling of 121375718 in words is "one hundred twenty-one million, three hundred seventy-five thousand, seven hundred eighteen".