1238123875 has 16 divisors (see below), whose sum is σ = 1552142592. Its totient is φ = 986035200.

The previous prime is 1238123819. The next prime is 1238123881. The reversal of 1238123875 is 5783218321.

It is a happy number.

It is not a de Polignac number, because 1238123875 - 2⁹ = 1238123363 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5667 + ... + 50083.

It is an arithmetic number, because the mean of its divisors is an integer number (97008912).

Almost surely, 2^1238123875 is an apocalyptic number.

1238123875 is a deficient number, since it is larger than the sum of its proper divisors (314018717).

1238123875 is an equidigital number, since it uses as much as digits as its factorization.

1238123875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44655 (or 44645 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 1238123875 is about 35186.9844544826. The cubic root of 1238123875 is about 1073.7949720575.

The spelling of 1238123875 in words is "one billion, two hundred thirty-eight million, one hundred twenty-three thousand, eight hundred seventy-five".