121104315 has 40 divisors (see below), whose sum is σ = 226546848. Its totient is φ = 61776000.

The previous prime is 121104307. The next prime is 121104317. The reversal of 121104315 is 513401121.

It is not a de Polignac number, because 121104315 - 2³ = 121104307 is a prime.

It is a super-2 number, since 2×121104315² = 29332510223238450, which contains 22 as substring.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121104317) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2815 + ... + 15815.

Almost surely, 2^121104315 is an apocalyptic number.

121104315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121104315 is a deficient number, since it is larger than the sum of its proper divisors (105442533).

121104315 is a wasteful number, since it uses less digits than its factorization.

121104315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13041 (or 13032 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 121104315 is about 11004.7405694092. The cubic root of 121104315 is about 494.7508387916.

Adding to 121104315 its reverse (513401121), we get a palindrome (634505436).

The spelling of 121104315 in words is "one hundred twenty-one million, one hundred four thousand, three hundred fifteen".