105249203 has 2 divisors, whose sum is σ = 105249204. Its totient is φ = 105249202.

The previous prime is 105249169. The next prime is 105249223. The reversal of 105249203 is 302942501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105249203 - 2⁶ = 105249139 is a prime.

It is a super-2 number, since 2×105249203² = 22154789464270418, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105249223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52624601 + 52624602.

It is an arithmetic number, because the mean of its divisors is an integer number (52624602).

Almost surely, 2^105249203 is an apocalyptic number.

105249203 is a deficient number, since it is larger than the sum of its proper divisors (1).

105249203 is an equidigital number, since it uses as much as digits as its factorization.

105249203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 105249203 is about 10259.1034208648. The cubic root of 105249203 is about 472.1423296589.

The spelling of 105249203 in words is "one hundred five million, two hundred forty-nine thousand, two hundred three".