1120638173 has 4 divisors (see below), whose sum is σ = 1122466908. Its totient is φ = 1118809440.

The previous prime is 1120638163. The next prime is 1120638193. The reversal of 1120638173 is 3718360211.

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 173106649 + 947531524 = 13157^2 + 30782^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1120638173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120638163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913448 + ... + 914673.

It is an arithmetic number, because the mean of its divisors is an integer number (280616727).

Almost surely, 2^1120638173 is an apocalyptic number.

It is an amenable number.

1120638173 is a deficient number, since it is larger than the sum of its proper divisors (1828735).

1120638173 is an equidigital number, since it uses as much as digits as its factorization.

1120638173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828734.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1120638173 is about 33475.9342364033. The cubic root of 1120638173 is about 1038.6960275343.

Adding to 1120638173 its reverse (3718360211), we get a palindrome (4838998384).

The spelling of 1120638173 in words is "one billion, one hundred twenty million, six hundred thirty-eight thousand, one hundred seventy-three".