1264872 has 32 divisors (see below), whose sum is σ = 3614400. Its totient is φ = 361344.

The previous prime is 1264867. The next prime is 1264873. The reversal of 1264872 is 2784621.

It is a nude number because it is divisible by every one of its digits.

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 7 ways as a sum of consecutive naturals, for example, 3597 + ... + 3932.

It is an arithmetic number, because the mean of its divisors is an integer number (112950).

2^1264872 is an apocalyptic number.

1264872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1264872 is an abundant number, since it is smaller than the sum of its proper divisors (2349528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1264872 is a wasteful number, since it uses less digits than its factorization.

1264872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7545 (or 7541 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 1264872 is about 1124.6652835400. The cubic root of 1264872 is about 108.1472613903.

It can be divided in two parts, 12648 and 72, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 1264872 in words is "one million, two hundred sixty-four thousand, eight hundred seventy-two".