1278883 has 4 divisors (see below), whose sum is σ = 1281168. Its totient is φ = 1276600.

The previous prime is 1278881. The next prime is 1278899. The reversal of 1278883 is 3888721.

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 1278883 - 2¹ = 1278881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1278881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333 + ... + 1633.

It is an arithmetic number, because the mean of its divisors is an integer number (320292).

2^1278883 is an apocalyptic number.

1278883 is a deficient number, since it is larger than the sum of its proper divisors (2285).

1278883 is an equidigital number, since it uses as much as digits as its factorization.

1278883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284.

The product of its digits is 21504, while the sum is 37.

The square root of 1278883 is about 1130.8770932334. The cubic root of 1278883 is about 108.5451120922.

The spelling of 1278883 in words is "one million, two hundred seventy-eight thousand, eight hundred eighty-three".