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1288163 is a prime number
BaseRepresentation
bin100111010011111100011
32102110000202
410322133203
5312210123
643335415
713643402
oct4723743
92373022
101288163
117aa8a8
1252156b
13361436
14257639
151a6a28
hex13a7e3

1288163 has 2 divisors, whose sum is σ = 1288164. Its totient is φ = 1288162.

The previous prime is 1288117. The next prime is 1288169. The reversal of 1288163 is 3618821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1288163 - 26 = 1288099 is a prime.

It is not a weakly prime, because it can be changed into another prime (1288169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 644081 + 644082.

It is an arithmetic number, because the mean of its divisors is an integer number (644082).

21288163 is an apocalyptic number.

1288163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1288163 is an equidigital number, since it uses as much as digits as its factorization.

1288163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 29.

The square root of 1288163 is about 1134.9726868960. The cubic root of 1288163 is about 108.8070260655.

The spelling of 1288163 in words is "one million, two hundred eighty-eight thousand, one hundred sixty-three".