1260544 has 22 divisors (see below), whose sum is σ = 2521904. Its totient is φ = 629760.

The previous prime is 1260541. The next prime is 1260547. The reversal of 1260544 is 4450621.

It is an interprime number because it is at equal distance from previous prime (1260541) and next prime (1260547).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409 + ... + 1639.

It is an arithmetic number, because the mean of its divisors is an integer number (114632).

2^1260544 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 1260544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1260952).

1260544 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1260544 is an equidigital number, since it uses as much as digits as its factorization.

1260544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251 (or 1233 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1260544 is about 1122.7395067423. The cubic root of 1260544 is about 108.0237716306.

The spelling of 1260544 in words is "one million, two hundred sixty thousand, five hundred forty-four".