1253291 has 16 divisors (see below), whose sum is σ = 1469664. Its totient is φ = 1058304.

The previous prime is 1253279. The next prime is 1253323. The reversal of 1253291 is 1923521.

It is not a de Polignac number, because 1253291 - 2¹⁰ = 1252267 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253251) 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 15 ways as a sum of consecutive naturals, for example, 11660 + ... + 11766.

It is an arithmetic number, because the mean of its divisors is an integer number (91854).

2^1253291 is an apocalyptic number.

1253291 is a deficient number, since it is larger than the sum of its proper divisors (216373).

1253291 is a wasteful number, since it uses less digits than its factorization.

1253291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190.

The product of its digits is 540, while the sum is 23.

The square root of 1253291 is about 1119.5048012403. The cubic root of 1253291 is about 107.8161882516.

The spelling of 1253291 in words is "one million, two hundred fifty-three thousand, two hundred ninety-one".