3123859 has 2 divisors, whose sum is σ = 3123860. Its totient is φ = 3123858.

The previous prime is 3123853. The next prime is 3123863. The reversal of 3123859 is 9583213.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9583213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3123859 - 2¹³ = 3115667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3123859.

It is not a weakly prime, because it can be changed into another prime (3123853) 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, 1561929 + 1561930.

It is an arithmetic number, because the mean of its divisors is an integer number (1561930).

Almost surely, 2^3123859 is an apocalyptic number.

3123859 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123859 is an equidigital number, since it uses as much as digits as its factorization.

3123859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 3123859 is about 1767.4441999679. Note that the first 3 decimals coincide. The cubic root of 3123859 is about 146.1830911220.

The spelling of 3123859 in words is "three million, one hundred twenty-three thousand, eight hundred fifty-nine".