4125920959 has 4 divisors (see below), whose sum is σ = 4126135104. Its totient is φ = 4125706816.

The previous prime is 4125920933. The next prime is 4125920969. The reversal of 4125920959 is 9590295214.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4125920959 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 (4125920969) 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, 74962 + ... + 117775.

It is an arithmetic number, because the mean of its divisors is an integer number (1031533776).

Almost surely, 2^4125920959 is an apocalyptic number.

4125920959 is a deficient number, since it is larger than the sum of its proper divisors (214145).

4125920959 is a wasteful number, since it uses less digits than its factorization.

4125920959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214144.

The product of its (nonzero) digits is 291600, while the sum is 46.

The square root of 4125920959 is about 64233.3321492821. The cubic root of 4125920959 is about 1603.8865099594.

The spelling of 4125920959 in words is "four billion, one hundred twenty-five million, nine hundred twenty thousand, nine hundred fifty-nine".