1195798453 has 4 divisors (see below), whose sum is σ = 1195901280. Its totient is φ = 1195695628.

The previous prime is 1195798423. The next prime is 1195798477. The reversal of 1195798453 is 3548975911.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1195798453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1195798453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1195798423) 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, 31363 + ... + 58096.

It is an arithmetic number, because the mean of its divisors is an integer number (298975320).

Almost surely, 2^1195798453 is an apocalyptic number.

It is an amenable number.

1195798453 is a deficient number, since it is larger than the sum of its proper divisors (102827).

1195798453 is an equidigital number, since it uses as much as digits as its factorization.

1195798453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102826.

The product of its digits is 1360800, while the sum is 52.

The square root of 1195798453 is about 34580.3188678184. The cubic root of 1195798453 is about 1061.4168939197.

The spelling of 1195798453 in words is "one billion, one hundred ninety-five million, seven hundred ninety-eight thousand, four hundred fifty-three".