1268923 has 4 divisors (see below), whose sum is σ = 1309888. Its totient is φ = 1227960.

The previous prime is 1268921. The next prime is 1268929. The reversal of 1268923 is 3298621.

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

It is a cyclic number.

It is not a de Polignac number, because 1268923 - 2¹ = 1268921 is a prime.

It is a super-2 number, since 2×1268923² = 3220331159858, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 40933 = 1268923 / (1 + 2 + 6 + 8 + 9 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1268921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20436 + ... + 20497.

It is an arithmetic number, because the mean of its divisors is an integer number (327472).

2^1268923 is an apocalyptic number.

1268923 is a deficient number, since it is larger than the sum of its proper divisors (40965).

1268923 is an equidigital number, since it uses as much as digits as its factorization.

1268923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40964.

The product of its digits is 5184, while the sum is 31.

The square root of 1268923 is about 1126.4648241290. The cubic root of 1268923 is about 108.2625926072.

The spelling of 1268923 in words is "one million, two hundred sixty-eight thousand, nine hundred twenty-three".