121354315 has 16 divisors (see below), whose sum is σ = 148981536. Its totient is φ = 94867200.

The previous prime is 121354309. The next prime is 121354319. The reversal of 121354315 is 513453121.

It is a happy number.

It is not a de Polignac number, because 121354315 - 2³ = 121354307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121354315.

It is not an unprimeable number, because it can be changed into a prime (121354319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48495 + ... + 50935.

It is an arithmetic number, because the mean of its divisors is an integer number (9311346).

Almost surely, 2^121354315 is an apocalyptic number.

121354315 is a deficient number, since it is larger than the sum of its proper divisors (27627221).

121354315 is a wasteful number, since it uses less digits than its factorization.

121354315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670.

The product of its digits is 1800, while the sum is 25.

The square root of 121354315 is about 11016.0934545782. The cubic root of 121354315 is about 495.0910487893.

The spelling of 121354315 in words is "one hundred twenty-one million, three hundred fifty-four thousand, three hundred fifteen".