1301272 has 32 divisors (see below), whose sum is σ = 2937600. Its totient is φ = 527904.

The previous prime is 1301257. The next prime is 1301273. The reversal of 1301272 is 2721031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453 + ... + 1675.

It is an arithmetic number, because the mean of its divisors is an integer number (91800).

2^1301272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1301272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1468800).

1301272 is an abundant number, since it is smaller than the sum of its proper divisors (1636328).

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

1301272 is a wasteful number, since it uses less digits than its factorization.

1301272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255 (or 1251 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 1301272 is about 1140.7330976175. The cubic root of 1301272 is about 109.1748729012.

The spelling of 1301272 in words is "one million, three hundred one thousand, two hundred seventy-two".