1204214191 has 2 divisors, whose sum is σ = 1204214192. Its totient is φ = 1204214190.

The previous prime is 1204214149. The next prime is 1204214203. The reversal of 1204214191 is 1914124021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1204214191 - 2¹⁵ = 1204181423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1204214101) 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, 602107095 + 602107096.

It is an arithmetic number, because the mean of its divisors is an integer number (602107096).

Almost surely, 2^1204214191 is an apocalyptic number.

1204214191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204214191 is an equidigital number, since it uses as much as digits as its factorization.

1204214191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1204214191 is about 34701.7894495370. The cubic root of 1204214191 is about 1063.9010731017.

The spelling of 1204214191 in words is "one billion, two hundred four million, two hundred fourteen thousand, one hundred ninety-one".