1195051027 has 2 divisors, whose sum is σ = 1195051028. Its totient is φ = 1195051026.

The previous prime is 1195051019. The next prime is 1195051097. The reversal of 1195051027 is 7201505911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1195051027 - 2³ = 1195051019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1195051027.

It is not a weakly prime, because it can be changed into another prime (1195051097) 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, 597525513 + 597525514.

It is an arithmetic number, because the mean of its divisors is an integer number (597525514).

Almost surely, 2^1195051027 is an apocalyptic number.

1195051027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1195051027 is an equidigital number, since it uses as much as digits as its factorization.

1195051027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 31.

The square root of 1195051027 is about 34569.5100775235. The cubic root of 1195051027 is about 1061.1957039336.

Adding to 1195051027 its reverse (7201505911), we get a palindrome (8396556938).

The spelling of 1195051027 in words is "one billion, one hundred ninety-five million, fifty-one thousand, twenty-seven".