1264086 has 48 divisors (see below), whose sum is σ = 3020880. Its totient is φ = 396576.

The previous prime is 1264063. The next prime is 1264129. The reversal of 1264086 is 6804621.

1264086 is a `hidden beast` number, since 12 + 640 + 8 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 74350 + ... + 74366.

It is an arithmetic number, because the mean of its divisors is an integer number (62935).

2^1264086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1264086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1510440).

1264086 is an abundant number, since it is smaller than the sum of its proper divisors (1756794).

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

1264086 is an frugal number, since it uses more digits than its factorization.

1264086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57 (or 22 counting only the distinct ones).

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

The square root of 1264086 is about 1124.3157919375. The cubic root of 1264086 is about 108.1248556025.

The spelling of 1264086 in words is "one million, two hundred sixty-four thousand, eighty-six".