1250556 has 36 divisors (see below), whose sum is σ = 3065832. Its totient is φ = 396704.

The previous prime is 1250551. The next prime is 1250593. The reversal of 1250556 is 6550521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250551) 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 in 11 ways as a sum of consecutive naturals, for example, 6250 + ... + 6446.

It is an arithmetic number, because the mean of its divisors is an integer number (85162).

2^1250556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1250556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1532916).

1250556 is an abundant number, since it is smaller than the sum of its proper divisors (1815276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1250556 is a wasteful number, since it uses less digits than its factorization.

1250556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1250556 is about 1118.2826118652. The cubic root of 1250556 is about 107.7377036766.

It can be divided in two parts, 12505 and 56, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 1250556 in words is "one million, two hundred fifty thousand, five hundred fifty-six".