103720993 has 2 divisors, whose sum is σ = 103720994. Its totient is φ = 103720992.

The previous prime is 103720987. The next prime is 103720999. The reversal of 103720993 is 399027301.

It is a balanced prime because it is at equal distance from previous prime (103720987) and next prime (103720999).

It can be written as a sum of positive squares in only one way, i.e., 96687889 + 7033104 = 9833^2 + 2652^2 .

It is a cyclic number.

It is not a de Polignac number, because 103720993 - 2⁹ = 103720481 is a prime.

It is not a weakly prime, because it can be changed into another prime (103720999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51860496 + 51860497.

It is an arithmetic number, because the mean of its divisors is an integer number (51860497).

Almost surely, 2^103720993 is an apocalyptic number.

It is an amenable number.

103720993 is a deficient number, since it is larger than the sum of its proper divisors (1).

103720993 is an equidigital number, since it uses as much as digits as its factorization.

103720993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 103720993 is about 10184.3503965643. The cubic root of 103720993 is about 469.8460231993.

The spelling of 103720993 in words is "one hundred three million, seven hundred twenty thousand, nine hundred ninety-three".