2315121 has 8 divisors (see below), whose sum is σ = 3105984. Its totient is φ = 1533840.

The previous prime is 2315113. The next prime is 2315123. The reversal of 2315121 is 1215132.

2315121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2315121 - 2³ = 2315113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2315121.

It is not an unprimeable number, because it can be changed into a prime (2315123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1810 + ... + 2811.

It is an arithmetic number, because the mean of its divisors is an integer number (388248).

2^2315121 is an apocalyptic number.

It is an amenable number.

2315121 is a deficient number, since it is larger than the sum of its proper divisors (790863).

2315121 is a wasteful number, since it uses less digits than its factorization.

2315121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4791.

The product of its digits is 60, while the sum is 15.

The square root of 2315121 is about 1521.5521680179. The cubic root of 2315121 is about 132.2892532044.

The spelling of 2315121 in words is "two million, three hundred fifteen thousand, one hundred twenty-one".