1266272 has 24 divisors (see below), whose sum is σ = 2849616. Its totient is φ = 542592.

The previous prime is 1266271. The next prime is 1266277. The reversal of 1266272 is 2726621.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2603 + ... + 3050.

It is an arithmetic number, because the mean of its divisors is an integer number (118734).

2^1266272 is an apocalyptic number.

It is an amenable number.

1266272 is an abundant number, since it is smaller than the sum of its proper divisors (1583344).

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

1266272 is an equidigital number, since it uses as much as digits as its factorization.

1266272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5670 (or 5662 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 1266272 is about 1125.2875188146. The cubic root of 1266272 is about 108.1871469386.

The spelling of 1266272 in words is "one million, two hundred sixty-six thousand, two hundred seventy-two".