1264860 has 36 divisors (see below), whose sum is σ = 3837288. Its totient is φ = 337248.

The previous prime is 1264859. The next prime is 1264867. The reversal of 1264860 is 684621.

1264860 is a `hidden beast` number, since 12 + 648 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264867) 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, 3334 + ... + 3693.

2^1264860 is an apocalyptic number.

1264860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1264860 is an abundant number, since it is smaller than the sum of its proper divisors (2572428).

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

1264860 is a wasteful number, since it uses less digits than its factorization.

1264860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7042 (or 7037 counting only the distinct ones).

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

The square root of 1264860 is about 1124.6599486067. The cubic root of 1264860 is about 108.1469193870.

The spelling of 1264860 in words is "one million, two hundred sixty-four thousand, eight hundred sixty".