100747919 has 2 divisors, whose sum is σ = 100747920. Its totient is φ = 100747918.

The previous prime is 100747909. The next prime is 100747921. The reversal of 100747919 is 919747001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100747919 - 2⁴ = 100747903 is a prime.

It is a super-2 number, since 2×100747919² = 20300286365661122, which contains 22 as substring.

Together with 100747921, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100747909) 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, 50373959 + 50373960.

It is an arithmetic number, because the mean of its divisors is an integer number (50373960).

Almost surely, 2^100747919 is an apocalyptic number.

100747919 is a deficient number, since it is larger than the sum of its proper divisors (1).

100747919 is an equidigital number, since it uses as much as digits as its factorization.

100747919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 38.

The square root of 100747919 is about 10037.3262874134. The cubic root of 100747919 is about 465.3131878651.

The spelling of 100747919 in words is "one hundred million, seven hundred forty-seven thousand, nine hundred nineteen".