1191483061 has 2 divisors, whose sum is σ = 1191483062. Its totient is φ = 1191483060.

The previous prime is 1191483023. The next prime is 1191483071. The reversal of 1191483061 is 1603841911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1190664036 + 819025 = 34506^2 + 905^2 .

It is a cyclic number.

It is not a de Polignac number, because 1191483061 - 2¹⁷ = 1191351989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1191483071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 595741530 + 595741531.

It is an arithmetic number, because the mean of its divisors is an integer number (595741531).

Almost surely, 2^1191483061 is an apocalyptic number.

It is an amenable number.

1191483061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1191483061 is an equidigital number, since it uses as much as digits as its factorization.

1191483061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 1191483061 is about 34517.8658233675. The cubic root of 1191483061 is about 1060.1385427673.

The spelling of 1191483061 in words is "one billion, one hundred ninety-one million, four hundred eighty-three thousand, sixty-one".