1112042045 has 8 divisors (see below), whose sum is σ = 1339201080. Its totient is φ = 886466560.

The previous prime is 1112042021. The next prime is 1112042053. The reversal of 1112042045 is 5402402111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 322094809 + 789947236 = 17947^2 + 28106^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-1112042045 is a prime.

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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394340 + ... + 397149.

It is an arithmetic number, because the mean of its divisors is an integer number (167400135).

Almost surely, 2^1112042045 is an apocalyptic number.

It is an amenable number.

1112042045 is a deficient number, since it is larger than the sum of its proper divisors (227159035).

1112042045 is an equidigital number, since it uses as much as digits as its factorization.

1112042045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791775.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1112042045 is about 33347.2944179884. The cubic root of 1112042045 is about 1036.0333507075.

Adding to 1112042045 its reverse (5402402111), we get a palindrome (6514444156).

The spelling of 1112042045 in words is "one billion, one hundred twelve million, forty-two thousand, forty-five".