1116202478 has 4 divisors (see below), whose sum is σ = 1674303720. Its totient is φ = 558101238.

The previous prime is 1116202469. The next prime is 1116202487. The reversal of 1116202478 is 8742026111.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1116202469) and next prime (1116202487).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279050618 + ... + 279050621.

It is an arithmetic number, because the mean of its divisors is an integer number (418575930).

Almost surely, 2^1116202478 is an apocalyptic number.

1116202478 is a deficient number, since it is larger than the sum of its proper divisors (558101242).

1116202478 is an equidigital number, since it uses as much as digits as its factorization.

1116202478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558101241.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 1116202478 is about 33409.6165497301. The cubic root of 1116202478 is about 1037.3237644816.

Adding to 1116202478 its reverse (8742026111), we get a palindrome (9858228589).

The spelling of 1116202478 in words is "one billion, one hundred sixteen million, two hundred two thousand, four hundred seventy-eight".