1272264 has 32 divisors (see below), whose sum is σ = 3635520. Its totient is φ = 363456.

The previous prime is 1272253. The next prime is 1272269. The reversal of 1272264 is 4622721.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 (1272269) 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, 3619 + ... + 3954.

It is an arithmetic number, because the mean of its divisors is an integer number (113610).

2^1272264 is an apocalyptic number.

1272264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1272264 is an abundant number, since it is smaller than the sum of its proper divisors (2363256).

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

1272264 is a wasteful number, since it uses less digits than its factorization.

1272264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7589 (or 7585 counting only the distinct ones).

The product of its digits is 1344, while the sum is 24.

The square root of 1272264 is about 1127.9468072564. The cubic root of 1272264 is about 108.3575256951.

Adding to 1272264 its reverse (4622721), we get a palindrome (5894985).

The spelling of 1272264 in words is "one million, two hundred seventy-two thousand, two hundred sixty-four".