1250489 has 4 divisors (see below), whose sum is σ = 1284324. Its totient is φ = 1216656.

The previous prime is 1250479. The next prime is 1250497. The reversal of 1250489 is 9840521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 840889 + 409600 = 917^2 + 640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1250489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1250449) 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, 16862 + ... + 16935.

It is an arithmetic number, because the mean of its divisors is an integer number (321081).

2^1250489 is an apocalyptic number.

It is an amenable number.

1250489 is a deficient number, since it is larger than the sum of its proper divisors (33835).

1250489 is an equidigital number, since it uses as much as digits as its factorization.

1250489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33834.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1250489 is about 1118.2526548146. The cubic root of 1250489 is about 107.7357795845.

The spelling of 1250489 in words is "one million, two hundred fifty thousand, four hundred eighty-nine".