1226878 has 4 divisors (see below), whose sum is σ = 1840320. Its totient is φ = 613438.

The previous prime is 1226867. The next prime is 1226891. The reversal of 1226878 is 8786221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306718 + ... + 306721.

It is an arithmetic number, because the mean of its divisors is an integer number (460080).

2^1226878 is an apocalyptic number.

1226878 is a deficient number, since it is larger than the sum of its proper divisors (613442).

1226878 is an equidigital number, since it uses as much as digits as its factorization.

1226878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613441.

The product of its digits is 10752, while the sum is 34.

The square root of 1226878 is about 1107.6452500688. The cubic root of 1226878 is about 107.0533986823.

The spelling of 1226878 in words is "one million, two hundred twenty-six thousand, eight hundred seventy-eight".