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110161 is a prime number
BaseRepresentation
bin11010111001010001
312121010001
4122321101
512011121
62210001
7636112
oct327121
9177101
10110161
1175847
1253901
133b1ac
142c209
1522991
hex1ae51

110161 has 2 divisors, whose sum is σ = 110162. Its totient is φ = 110160.

The previous prime is 110129. The next prime is 110183. The reversal of 110161 is 161011.

It is the 136-th star number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59536 + 50625 = 244^2 + 225^2 .

It is a cyclic number.

It is not a de Polignac number, because 110161 - 25 = 110129 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (110261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55080 + 55081.

It is an arithmetic number, because the mean of its divisors is an integer number (55081).

2110161 is an apocalyptic number.

It is an amenable number.

110161 is a deficient number, since it is larger than the sum of its proper divisors (1).

110161 is an equidigital number, since it uses as much as digits as its factorization.

110161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 110161 is about 331.9051069206. The cubic root of 110161 is about 47.9375634962.

Adding to 110161 its reverse (161011), we get a palindrome (271172).

It can be divided in two parts, 1101 and 61, that multiplied together give a triangular number (67161 = T366).

The spelling of 110161 in words is "one hundred ten thousand, one hundred sixty-one".