2125840079 has 8 divisors (see below), whose sum is σ = 2322462720. Its totient is φ = 1929778200.

The previous prime is 2125840001. The next prime is 2125840103. The reversal of 2125840079 is 9700485212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2125840079 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 (2125840279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132239 + ... + 147440.

It is an arithmetic number, because the mean of its divisors is an integer number (290307840).

Almost surely, 2^2125840079 is an apocalyptic number.

2125840079 is a deficient number, since it is larger than the sum of its proper divisors (196622641).

2125840079 is a wasteful number, since it uses less digits than its factorization.

2125840079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280381.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 2125840079 is about 46106.8333221877. The cubic root of 2125840079 is about 1285.8101910217.

The spelling of 2125840079 in words is "two billion, one hundred twenty-five million, eight hundred forty thousand, seventy-nine".