103718939 has 2 divisors, whose sum is σ = 103718940. Its totient is φ = 103718938.

The previous prime is 103718903. The next prime is 103718947. The reversal of 103718939 is 939817301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103718939 - 2²⁰ = 102670363 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 103718896 and 103718905.

It is not a weakly prime, because it can be changed into another prime (103718039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51859469 + 51859470.

It is an arithmetic number, because the mean of its divisors is an integer number (51859470).

Almost surely, 2^103718939 is an apocalyptic number.

103718939 is a deficient number, since it is larger than the sum of its proper divisors (1).

103718939 is an equidigital number, since it uses as much as digits as its factorization.

103718939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 103718939 is about 10184.2495550728. The cubic root of 103718939 is about 469.8429217053.

The spelling of 103718939 in words is "one hundred three million, seven hundred eighteen thousand, nine hundred thirty-nine".