2125082879 has 4 divisors (see below), whose sum is σ = 2126185320. Its totient is φ = 2123980440.

The previous prime is 2125082867. The next prime is 2125082881. The reversal of 2125082879 is 9782805212.

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 2125082879 - 2¹⁶ = 2125017343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125082279) 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, 548324 + ... + 552185.

It is an arithmetic number, because the mean of its divisors is an integer number (531546330).

Almost surely, 2^2125082879 is an apocalyptic number.

2125082879 is a deficient number, since it is larger than the sum of its proper divisors (1102441).

2125082879 is a wasteful number, since it uses less digits than its factorization.

2125082879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102440.

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 2125082879 is about 46098.6212266701. The cubic root of 2125082879 is about 1285.6575092488.

The spelling of 2125082879 in words is "two billion, one hundred twenty-five million, eighty-two thousand, eight hundred seventy-nine".