1197831433 has 4 divisors (see below), whose sum is σ = 1202843520. Its totient is φ = 1192819348.

The previous prime is 1197831431. The next prime is 1197831449. The reversal of 1197831433 is 3341387911.

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 1197831433 - 2¹ = 1197831431 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1197831431) 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, 2505685 + ... + 2506162.

It is an arithmetic number, because the mean of its divisors is an integer number (300710880).

Almost surely, 2^1197831433 is an apocalyptic number.

It is an amenable number.

1197831433 is a deficient number, since it is larger than the sum of its proper divisors (5012087).

1197831433 is an equidigital number, since it uses as much as digits as its factorization.

1197831433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5012086.

The product of its digits is 54432, while the sum is 40.

The square root of 1197831433 is about 34609.7014289346. The cubic root of 1197831433 is about 1062.0180592236.

The spelling of 1197831433 in words is "one billion, one hundred ninety-seven million, eight hundred thirty-one thousand, four hundred thirty-three".