2112379 has 4 divisors (see below), whose sum is σ = 2124360. Its totient is φ = 2100400.

The previous prime is 2112353. The next prime is 2112413. The reversal of 2112379 is 9732112.

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

It is a cyclic number.

It is not a de Polignac number, because 2112379 - 2⁵ = 2112347 is a prime.

It is a Duffinian number.

2112379 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2112329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5722 + ... + 6079.

It is an arithmetic number, because the mean of its divisors is an integer number (531090).

2^2112379 is an apocalyptic number.

2112379 is a deficient number, since it is larger than the sum of its proper divisors (11981).

2112379 is a wasteful number, since it uses less digits than its factorization.

2112379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11980.

The product of its digits is 756, while the sum is 25.

The square root of 2112379 is about 1453.4025595134. The cubic root of 2112379 is about 128.3090473337.

The spelling of 2112379 in words is "two million, one hundred twelve thousand, three hundred seventy-nine".