1265822 has 4 divisors (see below), whose sum is σ = 1898736. Its totient is φ = 632910.

The previous prime is 1265813. The next prime is 1265827. The reversal of 1265822 is 2285621.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1265791 and 1265800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1265827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316454 + ... + 316457.

It is an arithmetic number, because the mean of its divisors is an integer number (474684).

2^1265822 is an apocalyptic number.

1265822 is a deficient number, since it is larger than the sum of its proper divisors (632914).

1265822 is an equidigital number, since it uses as much as digits as its factorization.

1265822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632913.

The product of its digits is 1920, while the sum is 26.

The square root of 1265822 is about 1125.0875521487. The cubic root of 1265822 is about 108.1743297913.

The spelling of 1265822 in words is "one million, two hundred sixty-five thousand, eight hundred twenty-two".