1194142319 has 4 divisors (see below), whose sum is σ = 1194212040. Its totient is φ = 1194072600.

The previous prime is 1194142307. The next prime is 1194142321. The reversal of 1194142319 is 9132414911.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1194142319 - 2⁸ = 1194142063 is a prime.

It is a super-2 number, since 2×1194142319² = 2851951756053395522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1194142349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10544 + ... + 49994.

It is an arithmetic number, because the mean of its divisors is an integer number (298553010).

Almost surely, 2^1194142319 is an apocalyptic number.

1194142319 is a deficient number, since it is larger than the sum of its proper divisors (69721).

1194142319 is an equidigital number, since it uses as much as digits as its factorization.

1194142319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69720.

The product of its digits is 7776, while the sum is 35.

The square root of 1194142319 is about 34556.3643776367. The cubic root of 1194142319 is about 1060.9266605965.

The spelling of 1194142319 in words is "one billion, one hundred ninety-four million, one hundred forty-two thousand, three hundred nineteen".