2126979 has 12 divisors (see below), whose sum is σ = 3186456. Its totient is φ = 1417824.

The previous prime is 2126963. The next prime is 2127007. The reversal of 2126979 is 9796212.

It is not a de Polignac number, because 2126979 - 2⁴ = 2126963 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2126779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4134 + ... + 4619.

It is an arithmetic number, because the mean of its divisors is an integer number (265538).

2^2126979 is an apocalyptic number.

2126979 is a deficient number, since it is larger than the sum of its proper divisors (1059477).

2126979 is an frugal number, since it uses more digits than its factorization.

2126979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8768 (or 8756 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 2126979 is about 1458.4166071463. The cubic root of 2126979 is about 128.6039774736.

It can be divided in two parts, 21 and 26979, that added together give a cube (27000 = 30³).

The spelling of 2126979 in words is "two million, one hundred twenty-six thousand, nine hundred seventy-nine".