1112978 has 8 divisors (see below), whose sum is σ = 1686972. Its totient is φ = 550656.

The previous prime is 1112977. The next prime is 1112983. The reversal of 1112978 is 8792111.

It can be written as a sum of positive squares in 2 ways, for example, as 966289 + 146689 = 983^2 + 383^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1112978.

It is not an unprimeable number, because it can be changed into a prime (1112971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2675 + ... + 3062.

2^1112978 is an apocalyptic number.

1112978 is a deficient number, since it is larger than the sum of its proper divisors (573994).

1112978 is an equidigital number, since it uses as much as digits as its factorization.

1112978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5836.

The product of its digits is 1008, while the sum is 29.

The square root of 1112978 is about 1054.9777248833. The cubic root of 1112978 is about 103.6323929852.

The spelling of 1112978 in words is "one million, one hundred twelve thousand, nine hundred seventy-eight".