2128497 has 16 divisors (see below), whose sum is σ = 3287040. Its totient is φ = 1199952.

The previous prime is 2128493. The next prime is 2128501. The reversal of 2128497 is 7948212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2128493) and next prime (2128501).

It is not a de Polignac number, because 2128497 - 2² = 2128493 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2128493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1018 + ... + 2300.

It is an arithmetic number, because the mean of its divisors is an integer number (205440).

2^2128497 is an apocalyptic number.

It is an amenable number.

2128497 is a deficient number, since it is larger than the sum of its proper divisors (1158543).

2128497 is a wasteful number, since it uses less digits than its factorization.

2128497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372.

The product of its digits is 8064, while the sum is 33.

The square root of 2128497 is about 1458.9369417490. The cubic root of 2128497 is about 128.6345645823.

The spelling of 2128497 in words is "two million, one hundred twenty-eight thousand, four hundred ninety-seven".