1260864 has 84 divisors (see below), whose sum is σ = 3962400. Its totient is φ = 380160.

The previous prime is 1260851. The next prime is 1260877. The reversal of 1260864 is 4680621.

It is an interprime number because it is at equal distance from previous prime (1260851) and next prime (1260877).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6237 + ... + 6435.

2^1260864 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 1260864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1981200).

1260864 is an abundant number, since it is smaller than the sum of its proper divisors (2701536).

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

1260864 is a wasteful number, since it uses less digits than its factorization.

1260864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1260864 is about 1122.8820062678. The cubic root of 1260864 is about 108.0329117802.

The spelling of 1260864 in words is "one million, two hundred sixty thousand, eight hundred sixty-four".