1264823 has 8 divisors (see below), whose sum is σ = 1460640. Its totient is φ = 1072800.

The previous prime is 1264819. The next prime is 1264829. The reversal of 1264823 is 3284621.

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 1264823 - 2² = 1264819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1264792 and 1264801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188 + ... + 1601.

It is an arithmetic number, because the mean of its divisors is an integer number (182580).

2^1264823 is an apocalyptic number.

1264823 is a deficient number, since it is larger than the sum of its proper divisors (195817).

1264823 is a wasteful number, since it uses less digits than its factorization.

1264823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897.

The product of its digits is 2304, while the sum is 26.

The square root of 1264823 is about 1124.6434990698. The cubic root of 1264823 is about 108.1458648632.

The spelling of 1264823 in words is "one million, two hundred sixty-four thousand, eight hundred twenty-three".