1806107 has 2 divisors, whose sum is σ = 1806108. Its totient is φ = 1806106.

The previous prime is 1806089. The next prime is 1806113. The reversal of 1806107 is 7016081.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1806107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1806137) 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, 903053 + 903054.

It is an arithmetic number, because the mean of its divisors is an integer number (903054).

2^1806107 is an apocalyptic number.

1806107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1806107 is an equidigital number, since it uses as much as digits as its factorization.

1806107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 1806107 is about 1343.9148038473. The cubic root of 1806107 is about 121.7814550206.

The spelling of 1806107 in words is "one million, eight hundred six thousand, one hundred seven".