1264822 has 8 divisors (see below), whose sum is σ = 2043216. Its totient is φ = 583752.

The previous prime is 1264819. The next prime is 1264829. The reversal of 1264822 is 2284621.

It is a happy number.

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

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24298 + ... + 24349.

It is an arithmetic number, because the mean of its divisors is an integer number (255402).

2^1264822 is an apocalyptic number.

1264822 is a deficient number, since it is larger than the sum of its proper divisors (778394).

1264822 is a wasteful number, since it uses less digits than its factorization.

1264822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48662.

The product of its digits is 1536, while the sum is 25.

The square root of 1264822 is about 1124.6430544844. The cubic root of 1264822 is about 108.1458363622.

The spelling of 1264822 in words is "one million, two hundred sixty-four thousand, eight hundred twenty-two".