1194418541 has 2 divisors, whose sum is σ = 1194418542. Its totient is φ = 1194418540.

The previous prime is 1194418529. The next prime is 1194418549. The reversal of 1194418541 is 1458144911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1175461225 + 18957316 = 34285^2 + 4354^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1194418541 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1194418495 and 1194418504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1194418549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 597209270 + 597209271.

It is an arithmetic number, because the mean of its divisors is an integer number (597209271).

Almost surely, 2^1194418541 is an apocalyptic number.

It is an amenable number.

1194418541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1194418541 is an equidigital number, since it uses as much as digits as its factorization.

1194418541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 38.

The square root of 1194418541 is about 34560.3608343432. The cubic root of 1194418541 is about 1061.0084567349.

The spelling of 1194418541 in words is "one billion, one hundred ninety-four million, four hundred eighteen thousand, five hundred forty-one".