2128495 has 8 divisors (see below), whose sum is σ = 2579616. Its totient is φ = 1685856.

The previous prime is 2128493. The next prime is 2128501. The reversal of 2128495 is 5948212.

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

It is a cyclic number.

It is not a de Polignac number, because 2128495 - 2¹ = 2128493 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1552 + ... + 2581.

It is an arithmetic number, because the mean of its divisors is an integer number (322452).

2^2128495 is an apocalyptic number.

2128495 is a deficient number, since it is larger than the sum of its proper divisors (451121).

2128495 is a wasteful number, since it uses less digits than its factorization.

2128495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241.

The product of its digits is 5760, while the sum is 31.

The square root of 2128495 is about 1458.9362563183. The cubic root of 2128495 is about 128.6345242927.

The spelling of 2128495 in words is "two million, one hundred twenty-eight thousand, four hundred ninety-five".