1279272 has 32 divisors (see below), whose sum is σ = 3228480. Its totient is φ = 422400.

The previous prime is 1279253. The next prime is 1279303. The reversal of 1279272 is 2729721.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3448 + ... + 3800.

It is an arithmetic number, because the mean of its divisors is an integer number (100890).

2^1279272 is an apocalyptic number.

1279272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1279272 is an abundant number, since it is smaller than the sum of its proper divisors (1949208).

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

1279272 is a wasteful number, since it uses less digits than its factorization.

1279272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 509 counting only the distinct ones).

The product of its digits is 3528, while the sum is 30.

The square root of 1279272 is about 1131.0490705535. The cubic root of 1279272 is about 108.5561164265.

It can be divided in two parts, 1279 and 272, that added together give a palindrome (1551).

The spelling of 1279272 in words is "one million, two hundred seventy-nine thousand, two hundred seventy-two".