1120778 has 8 divisors (see below), whose sum is σ = 1692900. Its totient is φ = 556480.

The previous prime is 1120771. The next prime is 1120781. The reversal of 1120778 is 8770211.

It can be written as a sum of positive squares in 2 ways, for example, as 1054729 + 66049 = 1027^2 + 257^2 .

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

It is a super-2 number, since 2×1120778² = 2512286650568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1120771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1583 + ... + 2178.

2^1120778 is an apocalyptic number.

1120778 is a deficient number, since it is larger than the sum of its proper divisors (572122).

1120778 is a wasteful number, since it uses less digits than its factorization.

1120778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912.

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 1120778 is about 1058.6680310655. The cubic root of 1120778 is about 103.8739226643.

Adding to 1120778 its reverse (8770211), we get a palindrome (9890989).

The spelling of 1120778 in words is "one million, one hundred twenty thousand, seven hundred seventy-eight".