2126157 has 16 divisors (see below), whose sum is σ = 3256320. Its totient is φ = 1220400.

The previous prime is 2126153. The next prime is 2126167. The reversal of 2126157 is 7516212.

It is not a de Polignac number, because 2126157 - 2² = 2126153 is a prime.

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 in 15 ways as a sum of consecutive naturals, for example, 1069 + ... + 2322.

It is an arithmetic number, because the mean of its divisors is an integer number (203520).

2^2126157 is an apocalyptic number.

It is an amenable number.

2126157 is a deficient number, since it is larger than the sum of its proper divisors (1130163).

2126157 is a wasteful number, since it uses less digits than its factorization.

2126157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3424.

The product of its digits is 840, while the sum is 24.

The square root of 2126157 is about 1458.1347674341. The cubic root of 2126157 is about 128.5874084195.

The spelling of 2126157 in words is "two million, one hundred twenty-six thousand, one hundred fifty-seven".