1253995 has 4 divisors (see below), whose sum is σ = 1504800. Its totient is φ = 1003192.

The previous prime is 1253969. The next prime is 1253999. The reversal of 1253995 is 5993521.

It is a happy number.

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 1253995 - 2⁵ = 1253963 is a prime.

1253995 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1253995.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253999) 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, 125395 + ... + 125404.

It is an arithmetic number, because the mean of its divisors is an integer number (376200).

2^1253995 is an apocalyptic number.

1253995 is a deficient number, since it is larger than the sum of its proper divisors (250805).

1253995 is an equidigital number, since it uses as much as digits as its factorization.

1253995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250804.

The product of its digits is 12150, while the sum is 34.

The square root of 1253995 is about 1119.8191818325. The cubic root of 1253995 is about 107.8363720155.

The spelling of 1253995 in words is "one million, two hundred fifty-three thousand, nine hundred ninety-five".