1264523 has 8 divisors (see below), whose sum is σ = 1371216. Its totient is φ = 1159200.

The previous prime is 1264499. The next prime is 1264537. The reversal of 1264523 is 3254621.

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 1264523 - 2⁸ = 1264267 is a prime.

It is a Duffinian number.

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, 2513 + ... + 2973.

It is an arithmetic number, because the mean of its divisors is an integer number (171402).

2^1264523 is an apocalyptic number.

1264523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1264523 is a deficient number, since it is larger than the sum of its proper divisors (106693).

1264523 is a wasteful number, since it uses less digits than its factorization.

1264523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685.

The product of its digits is 1440, while the sum is 23.

The square root of 1264523 is about 1124.5101155614. The cubic root of 1264523 is about 108.1373139105.

The spelling of 1264523 in words is "one million, two hundred sixty-four thousand, five hundred twenty-three".