1250889 has 4 divisors (see below), whose sum is σ = 1667856. Its totient is φ = 833924.

The previous prime is 1250867. The next prime is 1250917. The reversal of 1250889 is 9880521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1250889 - 2⁷ = 1250761 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1250839) 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, 208479 + ... + 208484.

It is an arithmetic number, because the mean of its divisors is an integer number (416964).

2^1250889 is an apocalyptic number.

It is an amenable number.

1250889 is a deficient number, since it is larger than the sum of its proper divisors (416967).

1250889 is an equidigital number, since it uses as much as digits as its factorization.

1250889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416966.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 1250889 is about 1118.4314909730. The cubic root of 1250889 is about 107.7472656825.

The spelling of 1250889 in words is "one million, two hundred fifty thousand, eight hundred eighty-nine".