100105399 has 2 divisors, whose sum is σ = 100105400. Its totient is φ = 100105398.

The previous prime is 100105381. The next prime is 100105409. The reversal of 100105399 is 993501001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100105399 - 2¹¹ = 100103351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100105339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50052699 + 50052700.

It is an arithmetic number, because the mean of its divisors is an integer number (50052700).

Almost surely, 2^100105399 is an apocalyptic number.

100105399 is a deficient number, since it is larger than the sum of its proper divisors (1).

100105399 is an equidigital number, since it uses as much as digits as its factorization.

100105399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 100105399 is about 10005.2685621127. The cubic root of 100105399 is about 464.3218990429.

The spelling of 100105399 in words is "one hundred million, one hundred five thousand, three hundred ninety-nine".