1194233149 has 4 divisors (see below), whose sum is σ = 1198000764. Its totient is φ = 1190465536.

The previous prime is 1194233143. The next prime is 1194233171. The reversal of 1194233149 is 9413324911.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 344102500 + 850130649 = 18550^2 + 29157^2 .

It is a cyclic number.

It is not a de Polignac number, because 1194233149 - 2³ = 1194233141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1194233141) 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, 1883332 + ... + 1883965.

It is an arithmetic number, because the mean of its divisors is an integer number (299500191).

Almost surely, 2^1194233149 is an apocalyptic number.

It is an amenable number.

1194233149 is a deficient number, since it is larger than the sum of its proper divisors (3767615).

1194233149 is an equidigital number, since it uses as much as digits as its factorization.

1194233149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767614.

The product of its digits is 23328, while the sum is 37.

The square root of 1194233149 is about 34557.6785823354. The cubic root of 1194233149 is about 1060.9535589887.

The spelling of 1194233149 in words is "one billion, one hundred ninety-four million, two hundred thirty-three thousand, one hundred forty-nine".