3890122123 has 4 divisors (see below), whose sum is σ = 3891133008. Its totient is φ = 3889111240.

The previous prime is 3890122091. The next prime is 3890122127. The reversal of 3890122123 is 3212210983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3212210983 = 43 ⋅74702581.

It is a cyclic number.

It is not a de Polignac number, because 3890122123 - 2⁵ = 3890122091 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3890122127) 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, 499648 + ... + 507373.

It is an arithmetic number, because the mean of its divisors is an integer number (972783252).

Almost surely, 2^3890122123 is an apocalyptic number.

3890122123 is a deficient number, since it is larger than the sum of its proper divisors (1010885).

3890122123 is a wasteful number, since it uses less digits than its factorization.

3890122123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010884.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 3890122123 is about 62370.8435328560. The cubic root of 3890122123 is about 1572.7308717127.

The spelling of 3890122123 in words is "three billion, eight hundred ninety million, one hundred twenty-two thousand, one hundred twenty-three".