1250864 has 10 divisors (see below), whose sum is σ = 2423580. Its totient is φ = 625424.

The previous prime is 1250863. The next prime is 1250867. The reversal of 1250864 is 4680521.

It is not an unprimeable number, because it can be changed into a prime (1250863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39074 + ... + 39105.

It is an arithmetic number, because the mean of its divisors is an integer number (242358).

2^1250864 is an apocalyptic number.

It is an amenable number.

1250864 is a deficient number, since it is larger than the sum of its proper divisors (1172716).

1250864 is an equidigital number, since it uses as much as digits as its factorization.

1250864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78187 (or 78181 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1250864 is about 1118.4203145508. The cubic root of 1250864 is about 107.7465478731.

The spelling of 1250864 in words is "one million, two hundred fifty thousand, eight hundred sixty-four".