1264533 has 8 divisors (see below), whose sum is σ = 1692768. Its totient is φ = 839664.

The previous prime is 1264499. The next prime is 1264537. The reversal of 1264533 is 3354621.

It is a happy number.

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

It is not a de Polignac number, because 1264533 - 2¹² = 1260437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264537) 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, 235 + ... + 1607.

It is an arithmetic number, because the mean of its divisors is an integer number (211596).

2^1264533 is an apocalyptic number.

It is an amenable number.

1264533 is a deficient number, since it is larger than the sum of its proper divisors (428235).

1264533 is a wasteful number, since it uses less digits than its factorization.

1264533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683.

The product of its digits is 2160, while the sum is 24.

The square root of 1264533 is about 1124.5145619333. The cubic root of 1264533 is about 108.1375989640.

The spelling of 1264533 in words is "one million, two hundred sixty-four thousand, five hundred thirty-three".