1238969275 has 6 divisors (see below), whose sum is σ = 1536321932. Its totient is φ = 991175400.

The previous prime is 1238969273. The next prime is 1238969297. The reversal of 1238969275 is 5729698321.

It is not a de Polignac number, because 1238969275 - 2¹ = 1238969273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1238969273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24779361 + ... + 24779410.

Almost surely, 2^1238969275 is an apocalyptic number.

1238969275 is a deficient number, since it is larger than the sum of its proper divisors (297352657).

1238969275 is an equidigital number, since it uses as much as digits as its factorization.

1238969275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49558781 (or 49558776 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 52.

The square root of 1238969275 is about 35198.9953691863. The cubic root of 1238969275 is about 1074.0393147957.

The spelling of 1238969275 in words is "one billion, two hundred thirty-eight million, nine hundred sixty-nine thousand, two hundred seventy-five".