2415121 has 4 divisors (see below), whose sum is σ = 2419200. Its totient is φ = 2411044.

The previous prime is 2415103. The next prime is 2415137. The reversal of 2415121 is 1215142.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2415121 - 2²¹ = 317969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2415095 and 2415104.

It is not an unprimeable number, because it can be changed into a prime (2415151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961 + ... + 2398.

It is an arithmetic number, because the mean of its divisors is an integer number (604800).

2^2415121 is an apocalyptic number.

It is an amenable number.

2415121 is a deficient number, since it is larger than the sum of its proper divisors (4079).

2415121 is an equidigital number, since it uses as much as digits as its factorization.

2415121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4078.

The product of its digits is 80, while the sum is 16.

The square root of 2415121 is about 1554.0659574162. The cubic root of 2415121 is about 134.1671819912.

The spelling of 2415121 in words is "two million, four hundred fifteen thousand, one hundred twenty-one".