1194226249 has 4 divisors (see below), whose sum is σ = 1194786180. Its totient is φ = 1193666320.

The previous prime is 1194226223. The next prime is 1194226273. The reversal of 1194226249 is 9426224911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9426224911 = 2131 ⋅4423381.

It can be written as a sum of positive squares in 2 ways, for example, as 1136161849 + 58064400 = 33707^2 + 7620^2 .

It is a cyclic number.

It is not a de Polignac number, because 1194226249 - 2¹¹ = 1194224201 is a prime.

It is a super-2 number, since 2×1194226249² = 2852352667601220002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1194226289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276754 + ... + 281035.

It is an arithmetic number, because the mean of its divisors is an integer number (298696545).

Almost surely, 2^1194226249 is an apocalyptic number.

It is an amenable number.

1194226249 is a deficient number, since it is larger than the sum of its proper divisors (559931).

1194226249 is an equidigital number, since it uses as much as digits as its factorization.

1194226249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559930.

The product of its digits is 62208, while the sum is 40.

The square root of 1194226249 is about 34557.5787490964. The cubic root of 1194226249 is about 1060.9515156709.

The spelling of 1194226249 in words is "one billion, one hundred ninety-four million, two hundred twenty-six thousand, two hundred forty-nine".