1191052319 has 2 divisors, whose sum is σ = 1191052320. Its totient is φ = 1191052318.

The previous prime is 1191052277. The next prime is 1191052361. The reversal of 1191052319 is 9132501911.

It is a balanced prime because it is at equal distance from previous prime (1191052277) and next prime (1191052361).

It is a cyclic number.

It is not a de Polignac number, because 1191052319 - 2²⁴ = 1174275103 is a prime.

It is a super-2 number, since 2×1191052319² = 2837211253190555522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1191022319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 595526159 + 595526160.

It is an arithmetic number, because the mean of its divisors is an integer number (595526160).

Almost surely, 2^1191052319 is an apocalyptic number.

1191052319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1191052319 is an equidigital number, since it uses as much as digits as its factorization.

1191052319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 32.

The square root of 1191052319 is about 34511.6258527471. The cubic root of 1191052319 is about 1060.0107744840.

The spelling of 1191052319 in words is "one billion, one hundred ninety-one million, fifty-two thousand, three hundred nineteen".