1273272 has 128 divisors (see below), whose sum is σ = 4354560. Its totient is φ = 299520.

The previous prime is 1273267. The next prime is 1273289. The reversal of 1273272 is 2723721.

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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23998 + ... + 24050.

It is an arithmetic number, because the mean of its divisors is an integer number (34020).

2^1273272 is an apocalyptic number.

1273272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1273272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2177280).

1273272 is an abundant number, since it is smaller than the sum of its proper divisors (3081288).

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

1273272 is a wasteful number, since it uses less digits than its factorization.

1273272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 89 counting only the distinct ones).

The product of its digits is 1176, while the sum is 24.

The square root of 1273272 is about 1128.3935483687. The cubic root of 1273272 is about 108.3861349441.

Adding to 1273272 its reverse (2723721), we get a palindrome (3996993).

The spelling of 1273272 in words is "one million, two hundred seventy-three thousand, two hundred seventy-two".