103720207 has 2 divisors, whose sum is σ = 103720208. Its totient is φ = 103720206.

The previous prime is 103720187. The next prime is 103720217. The reversal of 103720207 is 702027301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103720207 - 2¹⁹ = 103195919 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103720217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51860103 + 51860104.

It is an arithmetic number, because the mean of its divisors is an integer number (51860104).

Almost surely, 2^103720207 is an apocalyptic number.

103720207 is a deficient number, since it is larger than the sum of its proper divisors (1).

103720207 is an equidigital number, since it uses as much as digits as its factorization.

103720207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 103720207 is about 10184.3118078739. The cubic root of 103720207 is about 469.8448363617.

Adding to 103720207 its reverse (702027301), we get a palindrome (805747508).

The spelling of 103720207 in words is "one hundred three million, seven hundred twenty thousand, two hundred seven".