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1078081 is a prime number
BaseRepresentation
bin100000111001101000001
32000202211221
410013031001
5233444311
635035041
712110044
oct4071501
92022757
101078081
11676a84
1243ba81
132b9924
14200c5b
15164671
hex107341

1078081 has 2 divisors, whose sum is σ = 1078082. Its totient is φ = 1078080.

The previous prime is 1078043. The next prime is 1078109. The reversal of 1078081 is 1808701.

1078081 is nontrivially palindromic in base 4.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 883600 + 194481 = 940^2 + 441^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1078081 is a prime.

It is a super-2 number, since 2×10780812 = 2324517285122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1078001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539040 + 539041.

It is an arithmetic number, because the mean of its divisors is an integer number (539041).

21078081 is an apocalyptic number.

It is an amenable number.

1078081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078081 is an equidigital number, since it uses as much as digits as its factorization.

1078081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 25.

The square root of 1078081 is about 1038.3067947384. The cubic root of 1078081 is about 102.5377532949.

The spelling of 1078081 in words is "one million, seventy-eight thousand, eighty-one".