2126879 has 16 divisors (see below), whose sum is σ = 2426880. Its totient is φ = 1853280.

The previous prime is 2126867. The next prime is 2126893. The reversal of 2126879 is 9786212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2126879 - 2⁴ = 2126863 is a prime.

It is a super-2 number, since 2×2126879² = 9047228561282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126809) 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, 13469 + ... + 13625.

It is an arithmetic number, because the mean of its divisors is an integer number (151680).

2^2126879 is an apocalyptic number.

2126879 is a deficient number, since it is larger than the sum of its proper divisors (300001).

2126879 is a wasteful number, since it uses less digits than its factorization.

2126879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230.

The product of its digits is 12096, while the sum is 35.

The square root of 2126879 is about 1458.3823229867. The cubic root of 2126879 is about 128.6019620017.

The spelling of 2126879 in words is "two million, one hundred twenty-six thousand, eight hundred seventy-nine".