1195051019 has 2 divisors, whose sum is σ = 1195051020. Its totient is φ = 1195051018.

The previous prime is 1195051001. The next prime is 1195051027. The reversal of 1195051019 is 9101505911.

It is a strong prime.

It is an emirp because it is prime and its reverse (9101505911) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1195051019 is a prime.

It is a super-2 number, since 2×1195051019² = 2856293876025876722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1195051619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 597525509 + 597525510.

It is an arithmetic number, because the mean of its divisors is an integer number (597525510).

Almost surely, 2^1195051019 is an apocalyptic number.

1195051019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1195051019 is an equidigital number, since it uses as much as digits as its factorization.

1195051019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2025, while the sum is 32.

The square root of 1195051019 is about 34569.5099618146. The cubic root of 1195051019 is about 1061.1957015656.

The spelling of 1195051019 in words is "one billion, one hundred ninety-five million, fifty-one thousand, nineteen".