1118920443 has 8 divisors (see below), whose sum is σ = 1492224000. Its totient is φ = 745781928.

The previous prime is 1118920423. The next prime is 1118920447. The reversal of 1118920443 is 3440298111.

It is a happy number.

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

It is not a de Polignac number, because 1118920443 - 2⁶ = 1118920379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1118920447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24463 + ... + 53256.

It is an arithmetic number, because the mean of its divisors is an integer number (186528000).

Almost surely, 2^1118920443 is an apocalyptic number.

1118920443 is a deficient number, since it is larger than the sum of its proper divisors (373303557).

1118920443 is an equidigital number, since it uses as much as digits as its factorization.

1118920443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82521.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1118920443 is about 33450.2682052028. The cubic root of 1118920443 is about 1038.1650468358.

The spelling of 1118920443 in words is "one billion, one hundred eighteen million, nine hundred twenty thousand, four hundred forty-three".