1170157201 has 2 divisors, whose sum is σ = 1170157202. Its totient is φ = 1170157200.

The previous prime is 1170157193. The next prime is 1170157249. The reversal of 1170157201 is 1027510711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1017610000 + 152547201 = 31900^2 + 12351^2 .

It is a cyclic number.

It is not a de Polignac number, because 1170157201 - 2³ = 1170157193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1170157501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585078600 + 585078601.

It is an arithmetic number, because the mean of its divisors is an integer number (585078601).

Almost surely, 2^1170157201 is an apocalyptic number.

It is an amenable number.

1170157201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1170157201 is an equidigital number, since it uses as much as digits as its factorization.

1170157201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 490, while the sum is 25.

The square root of 1170157201 is about 34207.5605824210. The cubic root of 1170157201 is about 1053.7754338317.

Adding to 1170157201 its reverse (1027510711), we get a palindrome (2197667912).

The spelling of 1170157201 in words is "one billion, one hundred seventy million, one hundred fifty-seven thousand, two hundred one".