1264798875 has 16 divisors (see below), whose sum is σ = 2104625952. Its totient is φ = 674559200.

The previous prime is 1264798841. The next prime is 1264798889. The reversal of 1264798875 is 5788974621.

1264798875 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1264798875 - 2⁹ = 1264798363 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, 1686024 + ... + 1686773.

It is an arithmetic number, because the mean of its divisors is an integer number (131539122).

Almost surely, 2^1264798875 is an apocalyptic number.

1264798875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1264798875 is a deficient number, since it is larger than the sum of its proper divisors (839827077).

1264798875 is an equidigital number, since it uses as much as digits as its factorization.

1264798875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3372815 (or 3372805 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 57.

The square root of 1264798875 is about 35564.0109520847. The cubic root of 1264798875 is about 1081.4517727404.

The spelling of 1264798875 in words is "one billion, two hundred sixty-four million, seven hundred ninety-eight thousand, eight hundred seventy-five".