1253487 has 8 divisors (see below), whose sum is σ = 1759360. Its totient is φ = 791640.

The previous prime is 1253479. The next prime is 1253513. The reversal of 1253487 is 7843521.

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

It is not a de Polignac number, because 1253487 - 2³ = 1253479 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 (1253437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10939 + ... + 11052.

It is an arithmetic number, because the mean of its divisors is an integer number (219920).

2^1253487 is an apocalyptic number.

1253487 is a deficient number, since it is larger than the sum of its proper divisors (505873).

1253487 is a wasteful number, since it uses less digits than its factorization.

1253487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22013.

The product of its digits is 6720, while the sum is 30.

The square root of 1253487 is about 1119.5923365225. The cubic root of 1253487 is about 107.8218083540.

It can be divided in two parts, 12534 and 87, that added together give a palindrome (12621).

The spelling of 1253487 in words is "one million, two hundred fifty-three thousand, four hundred eighty-seven".