1253271 has 8 divisors (see below), whose sum is σ = 1678320. Its totient is φ = 831872.

The previous prime is 1253261. The next prime is 1253279. The reversal of 1253271 is 1723521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1253271 - 2¹⁰ = 1252247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31 + ... + 1583.

It is an arithmetic number, because the mean of its divisors is an integer number (209790).

2^1253271 is an apocalyptic number.

1253271 is a deficient number, since it is larger than the sum of its proper divisors (425049).

1253271 is a wasteful number, since it uses less digits than its factorization.

1253271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825.

The product of its digits is 420, while the sum is 21.

The square root of 1253271 is about 1119.4958686838. The cubic root of 1253271 is about 107.8156147388.

Adding to 1253271 its reverse (1723521), we get a palindrome (2976792).

The spelling of 1253271 in words is "one million, two hundred fifty-three thousand, two hundred seventy-one".