1120016945 has 4 divisors (see below), whose sum is σ = 1344020340. Its totient is φ = 896013552.

The previous prime is 1120016941. The next prime is 1120016951. The reversal of 1120016945 is 5496100211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 132549169 + 987467776 = 11513^2 + 31424^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120016945 - 2² = 1120016941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1120016941) 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, 112001690 + ... + 112001699.

It is an arithmetic number, because the mean of its divisors is an integer number (336005085).

Almost surely, 2^1120016945 is an apocalyptic number.

It is an amenable number.

1120016945 is a deficient number, since it is larger than the sum of its proper divisors (224003395).

1120016945 is an equidigital number, since it uses as much as digits as its factorization.

1120016945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224003394.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 1120016945 is about 33466.6542247653. The cubic root of 1120016945 is about 1038.5040576541.

The spelling of 1120016945 in words is "one billion, one hundred twenty million, sixteen thousand, nine hundred forty-five".