100243907 has 2 divisors, whose sum is σ = 100243908. Its totient is φ = 100243906.

The previous prime is 100243877. The next prime is 100243919. The reversal of 100243907 is 709342001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100243907 - 2²⁶ = 33135043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100243937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50121953 + 50121954.

It is an arithmetic number, because the mean of its divisors is an integer number (50121954).

Almost surely, 2^100243907 is an apocalyptic number.

100243907 is a deficient number, since it is larger than the sum of its proper divisors (1).

100243907 is an equidigital number, since it uses as much as digits as its factorization.

100243907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 100243907 is about 10012.1879227270. The cubic root of 100243907 is about 464.5359489666.

Adding to 100243907 its reverse (709342001), we get a palindrome (809585908).

It can be divided in two parts, 10024 and 3907, that added together give a palindrome (13931).

The spelling of 100243907 in words is "one hundred million, two hundred forty-three thousand, nine hundred seven".