1204013191 has 2 divisors, whose sum is σ = 1204013192. Its totient is φ = 1204013190.

The previous prime is 1204013171. The next prime is 1204013203. The reversal of 1204013191 is 1913104021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1204013191 - 2¹¹ = 1204011143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1204013171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602006595 + 602006596.

It is an arithmetic number, because the mean of its divisors is an integer number (602006596).

Almost surely, 2^1204013191 is an apocalyptic number.

1204013191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204013191 is an equidigital number, since it uses as much as digits as its factorization.

1204013191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1204013191 is about 34698.8932244243. The cubic root of 1204013191 is about 1063.8418765412.

The spelling of 1204013191 in words is "one billion, two hundred four million, thirteen thousand, one hundred ninety-one".