1264579 has 8 divisors (see below), whose sum is σ = 1358640. Its totient is φ = 1172736.

The previous prime is 1264577. The next prime is 1264597. The reversal of 1264579 is 9754621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1264579 - 2¹ = 1264577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1264573) 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 7 ways as a sum of consecutive naturals, for example, 732 + ... + 1750.

It is an arithmetic number, because the mean of its divisors is an integer number (169830).

2^1264579 is an apocalyptic number.

1264579 is a deficient number, since it is larger than the sum of its proper divisors (94061).

1264579 is a wasteful number, since it uses less digits than its factorization.

1264579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109.

The product of its digits is 15120, while the sum is 34.

The square root of 1264579 is about 1124.5350150173. The cubic root of 1264579 is about 108.1389101910.

The spelling of 1264579 in words is "one million, two hundred sixty-four thousand, five hundred seventy-nine".