1253247 has 16 divisors (see below), whose sum is σ = 1790208. Its totient is φ = 777920.

The previous prime is 1253171. The next prime is 1253249. The reversal of 1253247 is 7423521.

It is a cyclic number.

It is not a de Polignac number, because 1253247 - 2⁸ = 1252991 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2608 + ... + 3050.

It is an arithmetic number, because the mean of its divisors is an integer number (111888).

2^1253247 is an apocalyptic number.

1253247 is a deficient number, since it is larger than the sum of its proper divisors (536961).

1253247 is a wasteful number, since it uses less digits than its factorization.

1253247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510.

The product of its digits is 1680, while the sum is 24.

The square root of 1253247 is about 1119.4851495219. The cubic root of 1253247 is about 107.8149265154.

Adding to 1253247 its reverse (7423521), we get a palindrome (8676768).

The spelling of 1253247 in words is "one million, two hundred fifty-three thousand, two hundred forty-seven".