1081679 has 2 divisors, whose sum is σ = 1081680. Its totient is φ = 1081678.

The previous prime is 1081657. The next prime is 1081681. The reversal of 1081679 is 9761801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1081679 - 2¹⁶ = 1016143 is a prime.

Together with 1081681, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1081699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540839 + 540840.

It is an arithmetic number, because the mean of its divisors is an integer number (540840).

2^1081679 is an apocalyptic number.

1081679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081679 is an equidigital number, since it uses as much as digits as its factorization.

1081679 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 1081679 is about 1040.0379800757. The cubic root of 1081679 is about 102.6516968579.

The spelling of 1081679 in words is "one million, eighty-one thousand, six hundred seventy-nine".