1195273249 has 4 divisors (see below), whose sum is σ = 1195461936. Its totient is φ = 1195084564.

The previous prime is 1195273243. The next prime is 1195273253. The reversal of 1195273249 is 9423725911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1195273249 - 2³ = 1195273241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1195273241) 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, 84499 + ... + 97624.

It is an arithmetic number, because the mean of its divisors is an integer number (298865484).

Almost surely, 2^1195273249 is an apocalyptic number.

It is an amenable number.

1195273249 is a deficient number, since it is larger than the sum of its proper divisors (188687).

1195273249 is an equidigital number, since it uses as much as digits as its factorization.

1195273249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188686.

The product of its digits is 136080, while the sum is 43.

The square root of 1195273249 is about 34572.7240610282. The cubic root of 1195273249 is about 1061.2614769734.

The spelling of 1195273249 in words is "one billion, one hundred ninety-five million, two hundred seventy-three thousand, two hundred forty-nine".