1210105199 has 2 divisors, whose sum is σ = 1210105200. Its totient is φ = 1210105198.

The previous prime is 1210105189. The next prime is 1210105207. The reversal of 1210105199 is 9915010121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210105199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210105109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605052599 + 605052600.

It is an arithmetic number, because the mean of its divisors is an integer number (605052600).

Almost surely, 2^1210105199 is an apocalyptic number.

1210105199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210105199 is an equidigital number, since it uses as much as digits as its factorization.

1210105199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 29.

The square root of 1210105199 is about 34786.5663582941. The cubic root of 1210105199 is about 1065.6331174942.

The spelling of 1210105199 in words is "one billion, two hundred ten million, one hundred five thousand, one hundred ninety-nine".