1170161273 has 2 divisors, whose sum is σ = 1170161274. Its totient is φ = 1170161272.

The previous prime is 1170161269. The next prime is 1170161359. The reversal of 1170161273 is 3721610711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 706921744 + 463239529 = 26588^2 + 21523^2 .

It is a cyclic number.

It is not a de Polignac number, because 1170161273 - 2² = 1170161269 is a prime.

It is not a weakly prime, because it can be changed into another prime (1170161233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585080636 + 585080637.

It is an arithmetic number, because the mean of its divisors is an integer number (585080637).

Almost surely, 2^1170161273 is an apocalyptic number.

It is an amenable number.

1170161273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1170161273 is an equidigital number, since it uses as much as digits as its factorization.

1170161273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 1170161273 is about 34207.6201013751. The cubic root of 1170161273 is about 1053.7766561657.

Adding to 1170161273 its reverse (3721610711), we get a palindrome (4891771984).

The spelling of 1170161273 in words is "one billion, one hundred seventy million, one hundred sixty-one thousand, two hundred seventy-three".