1264360 has 32 divisors (see below), whose sum is σ = 2890440. Its totient is φ = 497664.

The previous prime is 1264337. The next prime is 1264363. The reversal of 1264360 is 634621.

It can be written as a sum of positive squares in 4 ways, for example, as 799236 + 465124 = 894^2 + 682^2 .

It is not an unprimeable number, because it can be changed into a prime (1264363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2704 + ... + 3136.

2^1264360 is an apocalyptic number.

1264360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1264360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1445220).

1264360 is an abundant number, since it is smaller than the sum of its proper divisors (1626080).

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

1264360 is a wasteful number, since it uses less digits than its factorization.

1264360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1264360 is about 1124.4376372214. The cubic root of 1264360 is about 108.1326673258.

Adding to 1264360 its reverse (634621), we get a palindrome (1898981).

The spelling of 1264360 in words is "one million, two hundred sixty-four thousand, three hundred sixty".