100107643 has 2 divisors, whose sum is σ = 100107644. Its totient is φ = 100107642.

The previous prime is 100107641. The next prime is 100107653. The reversal of 100107643 is 346701001.

It is a weak prime.

It is an emirp because it is prime and its reverse (346701001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100107643 - 2¹ = 100107641 is a prime.

Together with 100107641, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (100107641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50053821 + 50053822.

It is an arithmetic number, because the mean of its divisors is an integer number (50053822).

Almost surely, 2^100107643 is an apocalyptic number.

100107643 is a deficient number, since it is larger than the sum of its proper divisors (1).

100107643 is an equidigital number, since it uses as much as digits as its factorization.

100107643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 100107643 is about 10005.3807024021. The cubic root of 100107643 is about 464.3253684880.

Adding to 100107643 its reverse (346701001), we get a palindrome (446808644).

The spelling of 100107643 in words is "one hundred million, one hundred seven thousand, six hundred forty-three".