1263922 has 16 divisors (see below), whose sum is σ = 2099232. Its totient is φ = 565920.

The previous prime is 1263917. The next prime is 1263929. The reversal of 1263922 is 2293621.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1263929) 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, 1213 + ... + 1999.

It is an arithmetic number, because the mean of its divisors is an integer number (131202).

2^1263922 is an apocalyptic number.

1263922 is a deficient number, since it is larger than the sum of its proper divisors (835310).

1263922 is a wasteful number, since it uses less digits than its factorization.

1263922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873.

The product of its digits is 1296, while the sum is 25.

The square root of 1263922 is about 1124.2428563260. The cubic root of 1263922 is about 108.1201794325.

The spelling of 1263922 in words is "one million, two hundred sixty-three thousand, nine hundred twenty-two".