103973861 has 2 divisors, whose sum is σ = 103973862. Its totient is φ = 103973860.

The previous prime is 103973813. The next prime is 103973867. The reversal of 103973861 is 168379301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58828900 + 45144961 = 7670^2 + 6719^2 .

It is a cyclic number.

It is not a de Polignac number, because 103973861 - 2⁶ = 103973797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103973867) 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, 51986930 + 51986931.

It is an arithmetic number, because the mean of its divisors is an integer number (51986931).

Almost surely, 2^103973861 is an apocalyptic number.

It is an amenable number.

103973861 is a deficient number, since it is larger than the sum of its proper divisors (1).

103973861 is an equidigital number, since it uses as much as digits as its factorization.

103973861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 103973861 is about 10196.7573767350. The cubic root of 103973861 is about 470.2275358215.

The spelling of 103973861 in words is "one hundred three million, nine hundred seventy-three thousand, eight hundred sixty-one".