1233344161 has 27 divisors (see below), whose sum is σ = 1494523641. Its totient is φ = 1014798624.

The previous prime is 1233344159. The next prime is 1233344173. The reversal of 1233344161 is 1614433321.

The square root of 1233344161 is 35119.

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

It can be written as a sum of positive squares in 4 ways, for example, as 288150625 + 945193536 = 16975^2 + 30744^2 .

It is not a de Polignac number, because 1233344161 - 2¹ = 1233344159 is a prime.

It is a super-2 number, since 2×1233344161² = 3042275638945587842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1233344461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7129071 + ... + 7129243.

Almost surely, 2^1233344161 is an apocalyptic number.

1233344161 is the 35119-th square number.

1233344161 is the 17560-th centered octagonal number.

It is an amenable number.

1233344161 is a deficient number, since it is larger than the sum of its proper divisors (261179480).

1233344161 is an frugal number, since it uses more digits than its factorization.

1233344161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 209 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The cubic root of 1233344161 is about 1072.4114132542.

Multiplying 1233344161 by its product of digits (5184), we get a square (6393656130624 = 2528568²).

Adding to 1233344161 its reverse (1614433321), we get a palindrome (2847777482).

The spelling of 1233344161 in words is "one billion, two hundred thirty-three million, three hundred forty-four thousand, one hundred sixty-one".