1253895 has 16 divisors (see below), whose sum is σ = 2021760. Its totient is φ = 663584.

The previous prime is 1253887. The next prime is 1253897. The reversal of 1253895 is 5983521.

It is a cyclic number.

It is not a de Polignac number, because 1253895 - 2³ = 1253887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253897) 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, 2452 + ... + 2918.

It is an arithmetic number, because the mean of its divisors is an integer number (126360).

2^1253895 is an apocalyptic number.

1253895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1253895 is a deficient number, since it is larger than the sum of its proper divisors (767865).

1253895 is a wasteful number, since it uses less digits than its factorization.

1253895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654.

The product of its digits is 10800, while the sum is 33.

The square root of 1253895 is about 1119.7745308766. The cubic root of 1253895 is about 107.8335054640.

The spelling of 1253895 in words is "one million, two hundred fifty-three thousand, eight hundred ninety-five".