1120804145 has 16 divisors (see below), whose sum is σ = 1419223680. Its totient is φ = 848014464.

The previous prime is 1120804141. The next prime is 1120804147. The reversal of 1120804145 is 5414080211.

It is a cyclic number.

It is not a de Polignac number, because 1120804145 - 2² = 1120804141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1120804141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44519 + ... + 64988.

It is an arithmetic number, because the mean of its divisors is an integer number (88701480).

Almost surely, 2^1120804145 is an apocalyptic number.

It is an amenable number.

1120804145 is a deficient number, since it is larger than the sum of its proper divisors (298419535).

1120804145 is a wasteful number, since it uses less digits than its factorization.

1120804145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109624.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 1120804145 is about 33478.4131195013. The cubic root of 1120804145 is about 1038.7473036587.

Adding to 1120804145 its reverse (5414080211), we get a palindrome (6534884356).

The spelling of 1120804145 in words is "one billion, one hundred twenty million, eight hundred four thousand, one hundred forty-five".