207742103 has 2 divisors, whose sum is σ = 207742104. Its totient is φ = 207742102.

The previous prime is 207742079. The next prime is 207742123. The reversal of 207742103 is 301247702.

207742103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 207742103 - 2¹² = 207738007 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (207742123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103871051 + 103871052.

It is an arithmetic number, because the mean of its divisors is an integer number (103871052).

Almost surely, 2^207742103 is an apocalyptic number.

207742103 is a deficient number, since it is larger than the sum of its proper divisors (1).

207742103 is an equidigital number, since it uses as much as digits as its factorization.

207742103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 207742103 is about 14413.2613589014. The cubic root of 207742103 is about 592.2542345685.

Adding to 207742103 its reverse (301247702), we get a palindrome (508989805).

The spelling of 207742103 in words is "two hundred seven million, seven hundred forty-two thousand, one hundred three".