1266234875 has 16 divisors (see below), whose sum is σ = 1581971040. Its totient is φ = 1011892000.

The previous prime is 1266234833. The next prime is 1266234881. The reversal of 1266234875 is 5784326621.

It is not a de Polignac number, because 1266234875 - 2¹⁸ = 1265972731 is a prime.

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, 122405 + ... + 132345.

It is an arithmetic number, because the mean of its divisors is an integer number (98873190).

Almost surely, 2^1266234875 is an apocalyptic number.

1266234875 is a deficient number, since it is larger than the sum of its proper divisors (315736165).

1266234875 is an equidigital number, since it uses as much as digits as its factorization.

1266234875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10975 (or 10965 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 1266234875 is about 35584.1941738182. The cubic root of 1266234875 is about 1081.8608963892.

The spelling of 1266234875 in words is "one billion, two hundred sixty-six million, two hundred thirty-four thousand, eight hundred seventy-five".