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1120173161 is a prime number
BaseRepresentation
bin100001011000100…
…0111110001101001
32220001210200200212
41002301013301221
54243231020121
6303053110505
736521212652
oct10261076151
92801720625
101120173161
11525343748
12273188435
1314b0c4b73
14a8ab0529
156851d25b
hex42c47c69

1120173161 has 2 divisors, whose sum is σ = 1120173162. Its totient is φ = 1120173160.

The previous prime is 1120173157. The next prime is 1120173167. The reversal of 1120173161 is 1613710211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 826907536 + 293265625 = 28756^2 + 17125^2 .

It is an emirp because it is prime and its reverse (1613710211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1120173161 - 22 = 1120173157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1120173167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560086580 + 560086581.

It is an arithmetic number, because the mean of its divisors is an integer number (560086581).

Almost surely, 21120173161 is an apocalyptic number.

It is an amenable number.

1120173161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120173161 is an equidigital number, since it uses as much as digits as its factorization.

1120173161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 1120173161 is about 33468.9880486399. The cubic root of 1120173161 is about 1038.5523376998.

Adding to 1120173161 its reverse (1613710211), we get a palindrome (2733883372).

The spelling of 1120173161 in words is "one billion, one hundred twenty million, one hundred seventy-three thousand, one hundred sixty-one".