312104121 has 32 divisors (see below), whose sum is σ = 492611328. Its totient is φ = 172074240.

The previous prime is 312104101. The next prime is 312104197. The reversal of 312104121 is 121401213.

It is not a de Polignac number, because 312104121 - 2⁶ = 312104057 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 312104121.

It is not an unprimeable number, because it can be changed into a prime (312104101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65595 + ... + 70191.

It is an arithmetic number, because the mean of its divisors is an integer number (15394104).

Almost surely, 2^312104121 is an apocalyptic number.

It is an amenable number.

312104121 is a deficient number, since it is larger than the sum of its proper divisors (180507207).

312104121 is a wasteful number, since it uses less digits than its factorization.

312104121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4721.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 312104121 is about 17666.4688322256. The cubic root of 312104121 is about 678.3177281446.

Adding to 312104121 its reverse (121401213), we get a palindrome (433505334).

The spelling of 312104121 in words is "three hundred twelve million, one hundred four thousand, one hundred twenty-one".