1120173961 has 3 divisors (see below), whose sum is σ = 1120207431. Its totient is φ = 1120140492.

The previous prime is 1120173947. The next prime is 1120174007. The reversal of 1120173961 is 1693710211.

The square root of 1120173961 is 33469.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 361722361 + 758451600 = 19019^2 + 27540^2 .

It is not a de Polignac number, because 1120173961 - 2¹³ = 1120165769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120173161) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 16735 + ... + 50203.

It is an arithmetic number, because the mean of its divisors is an integer number (373402477).

Almost surely, 2^1120173961 is an apocalyptic number.

1120173961 is the 33469-th square number.

1120173961 is the 16735-th centered octagonal number.

It is an amenable number.

1120173961 is a deficient number, since it is larger than the sum of its proper divisors (33470).

1120173961 is an frugal number, since it uses more digits than its factorization.

1120173961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66938 (or 33469 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 31.

The cubic root of 1120173961 is about 1038.5525849359.

The spelling of 1120173961 in words is "one billion, one hundred twenty million, one hundred seventy-three thousand, nine hundred sixty-one".