1264875 has 16 divisors (see below), whose sum is σ = 2105376. Its totient is φ = 674400.

The previous prime is 1264873. The next prime is 1264877. The reversal of 1264875 is 5784621.

It is an interprime number because it is at equal distance from previous prime (1264873) and next prime (1264877).

It is not a de Polignac number, because 1264875 - 2¹ = 1264873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1264873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1312 + ... + 2061.

It is an arithmetic number, because the mean of its divisors is an integer number (131586).

2^1264875 is an apocalyptic number.

1264875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1264875 is a deficient number, since it is larger than the sum of its proper divisors (840501).

1264875 is an equidigital number, since it uses as much as digits as its factorization.

1264875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3391 (or 3381 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 1264875 is about 1124.6666172693. Note that the first 4 decimals coincide. The cubic root of 1264875 is about 108.1473468908.

The spelling of 1264875 in words is "one million, two hundred sixty-four thousand, eight hundred seventy-five".