2115137 has 4 divisors (see below), whose sum is σ = 2226480. Its totient is φ = 2003796.

The previous prime is 2115133. The next prime is 2115181. The reversal of 2115137 is 7315112.

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 2115137 - 2² = 2115133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2115131) 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, 55643 + ... + 55680.

It is an arithmetic number, because the mean of its divisors is an integer number (556620).

2^2115137 is an apocalyptic number.

It is an amenable number.

2115137 is a deficient number, since it is larger than the sum of its proper divisors (111343).

2115137 is a wasteful number, since it uses less digits than its factorization.

2115137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111342.

The product of its digits is 210, while the sum is 20.

The square root of 2115137 is about 1454.3510580324. The cubic root of 2115137 is about 128.3648647245.

The spelling of 2115137 in words is "two million, one hundred fifteen thousand, one hundred thirty-seven".