1250863 has 2 divisors, whose sum is σ = 1250864. Its totient is φ = 1250862.

The previous prime is 1250839. The next prime is 1250867. The reversal of 1250863 is 3680521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1250863 - 2⁵ = 1250831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1250867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625431 + 625432.

It is an arithmetic number, because the mean of its divisors is an integer number (625432).

2^1250863 is an apocalyptic number.

1250863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250863 is an equidigital number, since it uses as much as digits as its factorization.

1250863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1250863 is about 1118.4198674916. The cubic root of 1250863 is about 107.7465191605.

The spelling of 1250863 in words is "one million, two hundred fifty thousand, eight hundred sixty-three".