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1045081 is a prime number
BaseRepresentation
bin11111111001001011001
31222002120201
43333021121
5231420311
634222201
711611612
oct3771131
91862521
101045081
11654204
12424961
132a78bb
141d2c09
151599c1
hexff259

1045081 has 2 divisors, whose sum is σ = 1045082. Its totient is φ = 1045080.

The previous prime is 1045063. The next prime is 1045111. The reversal of 1045081 is 1805401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 960400 + 84681 = 980^2 + 291^2 .

It is a cyclic number.

It is not a de Polignac number, because 1045081 - 29 = 1044569 is a prime.

It is a super-2 number, since 2×10450812 = 2184388593122, which contains 22 as substring.

1045081 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1045021) 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, 522540 + 522541.

It is an arithmetic number, because the mean of its divisors is an integer number (522541).

21045081 is an apocalyptic number.

It is an amenable number.

1045081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045081 is an equidigital number, since it uses as much as digits as its factorization.

1045081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1045081 is about 1022.2920326404. The cubic root of 1045081 is about 101.4806680161.

The spelling of 1045081 in words is "one million, forty-five thousand, eighty-one".