1157360173 has 2 divisors, whose sum is σ = 1157360174. Its totient is φ = 1157360172.

The previous prime is 1157360143. The next prime is 1157360189. The reversal of 1157360173 is 3710637511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1155116169 + 2244004 = 33987^2 + 1498^2 .

It is a cyclic number.

It is not a de Polignac number, because 1157360173 - 2⁹ = 1157359661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1157360143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578680086 + 578680087.

It is an arithmetic number, because the mean of its divisors is an integer number (578680087).

Almost surely, 2^1157360173 is an apocalyptic number.

It is an amenable number.

1157360173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157360173 is an equidigital number, since it uses as much as digits as its factorization.

1157360173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 1157360173 is about 34019.9966637271. The cubic root of 1157360173 is about 1049.9199252616.

Adding to 1157360173 its reverse (3710637511), we get a palindrome (4867997684).

The spelling of 1157360173 in words is "one billion, one hundred fifty-seven million, three hundred sixty thousand, one hundred seventy-three".