100378207 has 2 divisors, whose sum is σ = 100378208. Its totient is φ = 100378206.

The previous prime is 100378147. The next prime is 100378241. The reversal of 100378207 is 702873001.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (702873001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100378207 - 2⁷ = 100378079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100378247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50189103 + 50189104.

It is an arithmetic number, because the mean of its divisors is an integer number (50189104).

Almost surely, 2^100378207 is an apocalyptic number.

100378207 is a deficient number, since it is larger than the sum of its proper divisors (1).

100378207 is an equidigital number, since it uses as much as digits as its factorization.

100378207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 100378207 is about 10018.8925036653. The cubic root of 100378207 is about 464.7433076641.

The spelling of 100378207 in words is "one hundred million, three hundred seventy-eight thousand, two hundred seven".