1249995 has 16 divisors (see below), whose sum is σ = 2016000. Its totient is φ = 661344.

The previous prime is 1249943. The next prime is 1249999. The reversal of 1249995 is 5999421.

It is not a de Polignac number, because 1249995 - 2⁸ = 1249739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249999) 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, 2256 + ... + 2754.

It is an arithmetic number, because the mean of its divisors is an integer number (126000).

2^1249995 is an apocalyptic number.

1249995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1249995 is a deficient number, since it is larger than the sum of its proper divisors (766005).

1249995 is a wasteful number, since it uses less digits than its factorization.

1249995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674.

The product of its digits is 29160, while the sum is 39.

The square root of 1249995 is about 1118.0317526797. The cubic root of 1249995 is about 107.7215908724.

The spelling of 1249995 in words is "one million, two hundred forty-nine thousand, nine hundred ninety-five".