2126158 has 4 divisors (see below), whose sum is σ = 3189240. Its totient is φ = 1063078.

The previous prime is 2126153. The next prime is 2126167. The reversal of 2126158 is 8516212.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531538 + ... + 531541.

It is an arithmetic number, because the mean of its divisors is an integer number (797310).

2^2126158 is an apocalyptic number.

2126158 is a deficient number, since it is larger than the sum of its proper divisors (1063082).

2126158 is a wasteful number, since it uses less digits than its factorization.

2126158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063081.

The product of its digits is 960, while the sum is 25.

The square root of 2126158 is about 1458.1351103379. The cubic root of 2126158 is about 128.5874285791.

The spelling of 2126158 in words is "two million, one hundred twenty-six thousand, one hundred fifty-eight".