1079681 has 2 divisors, whose sum is σ = 1079682. Its totient is φ = 1079680.
The previous prime is 1079671. The next prime is 1079711. The reversal of 1079681 is 1869701.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 919681 + 160000 = 959^2 + 400^2 .
It is a cyclic number.
It is not a de Polignac number, because 1079681 - 210 = 1078657 is a prime.
It is a super-2 number, since 2×10796812 = 2331422123522, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1079621) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539840 + 539841.
It is an arithmetic number, because the mean of its divisors is an integer number (539841).
21079681 is an apocalyptic number.
It is an amenable number.
1079681 is a deficient number, since it is larger than the sum of its proper divisors (1).
1079681 is an equidigital number, since it uses as much as digits as its factorization.
1079681 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3024, while the sum is 32.
The square root of 1079681 is about 1039.0769942598. The cubic root of 1079681 is about 102.5884542813.
The spelling of 1079681 in words is "one million, seventy-nine thousand, six hundred eighty-one".
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