1173272413329 has 45 divisors (see below), whose sum is σ = 1782773035329. Its totient is φ = 768969015840.

The previous prime is 1173272413309. The next prime is 1173272413361. The reversal of 1173272413329 is 9233142723711.

The square root of 1173272413329 is 1083177.

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

1173272413329 is a `hidden beast` number, since 1 + 1 + 7 + 3 + 272 + 41 + 332 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 728180622225 + 445091791104 = 853335^2 + 667152^2 .

It is not a de Polignac number, because 1173272413329 - 2⁵ = 1173272413297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1173272413309) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 594663187 + ... + 594665159.

Almost surely, 2^{1173272413329} is an apocalyptic number.

1173272413329 is the 1083177-th square number.

1173272413329 is the 541589-th centered octagonal number.

It is an amenable number.

1173272413329 is a deficient number, since it is larger than the sum of its proper divisors (609500622000).

1173272413329 is an frugal number, since it uses more digits than its factorization.

1173272413329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080 (or 2037 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The spelling of 1173272413329 in words is "one trillion, one hundred seventy-three billion, two hundred seventy-two million, four hundred thirteen thousand, three hundred twenty-nine".