2120974859 has 8 divisors (see below), whose sum is σ = 2246360688. Its totient is φ = 1995658240.

The previous prime is 2120974837. The next prime is 2120974861. The reversal of 2120974859 is 9584790212.

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

It is a cyclic number.

It is not a de Polignac number, because 2120974859 - 2²⁴ = 2104197643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120974259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54299 + ... + 84795.

It is an arithmetic number, because the mean of its divisors is an integer number (280795086).

Almost surely, 2^2120974859 is an apocalyptic number.

2120974859 is a deficient number, since it is larger than the sum of its proper divisors (125385829).

2120974859 is a wasteful number, since it uses less digits than its factorization.

2120974859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34605.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 2120974859 is about 46054.0428084224. The cubic root of 2120974859 is about 1284.8285355151.

The spelling of 2120974859 in words is "two billion, one hundred twenty million, nine hundred seventy-four thousand, eight hundred fifty-nine".