121194315 has 24 divisors (see below), whose sum is σ = 229168368. Its totient is φ = 58760640.

The previous prime is 121194301. The next prime is 121194317. The reversal of 121194315 is 513491121.

It is a happy number.

It is not a de Polignac number, because 121194315 - 2⁷ = 121194187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121194317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121924 + ... + 122913.

It is an arithmetic number, because the mean of its divisors is an integer number (9548682).

Almost surely, 2^121194315 is an apocalyptic number.

121194315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121194315 is a deficient number, since it is larger than the sum of its proper divisors (107974053).

121194315 is a wasteful number, since it uses less digits than its factorization.

121194315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244859 (or 244856 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 121194315 is about 11008.8289567964. The cubic root of 121194315 is about 494.8733682810.

The spelling of 121194315 in words is "one hundred twenty-one million, one hundred ninety-four thousand, three hundred fifteen".