1182053161 has 3 divisors (see below), whose sum is σ = 1182087543. Its totient is φ = 1182018780.

The previous prime is 1182053153. The next prime is 1182053167. The reversal of 1182053161 is 1613502811.

The square root of 1182053161 is 34381.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1613502811 = 1091 ⋅1478921.

It can be written as a sum of positive squares in only one way, i.e., 112763161 + 1069290000 = 10619^2 + 32700^2 .

It is not a de Polignac number, because 1182053161 - 2³ = 1182053153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1182053167) 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, 17191 + ... + 51571.

It is an arithmetic number, because the mean of its divisors is an integer number (394029181).

Almost surely, 2^1182053161 is an apocalyptic number.

1182053161 is the 34381-st square number.

1182053161 is the 17191-st centered octagonal number.

It is an amenable number.

1182053161 is a deficient number, since it is larger than the sum of its proper divisors (34382).

1182053161 is an frugal number, since it uses more digits than its factorization.

1182053161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68762 (or 34381 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The cubic root of 1182053161 is about 1057.3343371394.

Adding to 1182053161 its reverse (1613502811), we get a palindrome (2795555972).

The spelling of 1182053161 in words is "one billion, one hundred eighty-two million, fifty-three thousand, one hundred sixty-one".