1253711 has 4 divisors (see below), whose sum is σ = 1257672. Its totient is φ = 1249752.

The previous prime is 1253701. The next prime is 1253717. The reversal of 1253711 is 1173521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1253711 - 2¹⁸ = 991567 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 (1253717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1460 + ... + 2153.

It is an arithmetic number, because the mean of its divisors is an integer number (314418).

2^1253711 is an apocalyptic number.

1253711 is a deficient number, since it is larger than the sum of its proper divisors (3961).

1253711 is an equidigital number, since it uses as much as digits as its factorization.

1253711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960.

The product of its digits is 210, while the sum is 20.

The square root of 1253711 is about 1119.6923684656. The cubic root of 1253711 is about 107.8282306109.

The spelling of 1253711 in words is "one million, two hundred fifty-three thousand, seven hundred eleven".