3969075123 has 24 divisors (see below), whose sum is σ = 6176997008. Its totient is φ = 2441368512.

The previous prime is 3969075041. The next prime is 3969075133. The reversal of 3969075123 is 3215709693.

It is not a de Polignac number, because 3969075123 - 2⁹ = 3969074611 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3969075133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 292536 + ... + 305802.

Almost surely, 2^3969075123 is an apocalyptic number.

3969075123 is a deficient number, since it is larger than the sum of its proper divisors (2207921885).

3969075123 is a wasteful number, since it uses less digits than its factorization.

3969075123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15843 (or 15840 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The square root of 3969075123 is about 63000.5962114645. The cubic root of 3969075123 is about 1583.2996155134.

The spelling of 3969075123 in words is "three billion, nine hundred sixty-nine million, seventy-five thousand, one hundred twenty-three".