2126772 has 18 divisors (see below), whose sum is σ = 5376098. Its totient is φ = 708912.

The previous prime is 2126771. The next prime is 2126779. The reversal of 2126772 is 2776212.

It can be written as a sum of positive squares in only one way, i.e., 1527696 + 599076 = 1236^2 + 774^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29503 + ... + 29574.

2^2126772 is an apocalyptic number.

It is an amenable number.

2126772 is an abundant number, since it is smaller than the sum of its proper divisors (3249326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2126772 is a wasteful number, since it uses less digits than its factorization.

2126772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59087 (or 59082 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 2126772 is about 1458.3456380433. The cubic root of 2126772 is about 128.5998053767.

The spelling of 2126772 in words is "two million, one hundred twenty-six thousand, seven hundred seventy-two".