121522318 has 8 divisors (see below), whose sum is σ = 182436912. Its totient is φ = 60710016.

The previous prime is 121522283. The next prime is 121522333. The reversal of 121522318 is 813225121.

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

It is a junction number, because it is equal to n+sod(n) for n = 121522292 and 121522301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22530 + ... + 27397.

It is an arithmetic number, because the mean of its divisors is an integer number (22804614).

Almost surely, 2^121522318 is an apocalyptic number.

121522318 is a deficient number, since it is larger than the sum of its proper divisors (60914594).

121522318 is a wasteful number, since it uses less digits than its factorization.

121522318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51146.

The product of its digits is 960, while the sum is 25.

The square root of 121522318 is about 11023.7161610774. The cubic root of 121522318 is about 495.3194115732.

Adding to 121522318 its reverse (813225121), we get a palindrome (934747439).

The spelling of 121522318 in words is "one hundred twenty-one million, five hundred twenty-two thousand, three hundred eighteen".