1197283547 has 4 divisors (see below), whose sum is σ = 1197376320. Its totient is φ = 1197190776.

The previous prime is 1197283511. The next prime is 1197283553. The reversal of 1197283547 is 7453827911.

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 1197283547 - 2¹⁰ = 1197282523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1197283247) 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, 23147 + ... + 54132.

It is an arithmetic number, because the mean of its divisors is an integer number (299344080).

Almost surely, 2^1197283547 is an apocalyptic number.

1197283547 is a deficient number, since it is larger than the sum of its proper divisors (92773).

1197283547 is an equidigital number, since it uses as much as digits as its factorization.

1197283547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92772.

The product of its digits is 423360, while the sum is 47.

The square root of 1197283547 is about 34601.7853152117. The cubic root of 1197283547 is about 1061.8561127962.

The spelling of 1197283547 in words is "one billion, one hundred ninety-seven million, two hundred eighty-three thousand, five hundred forty-seven".