1197393601 has 4 divisors (see below), whose sum is σ = 1198788400. Its totient is φ = 1195998804.

The previous prime is 1197393577. The next prime is 1197393611. The reversal of 1197393601 is 1063937911.

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 1197393601 - 2⁹ = 1197393089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1197393611) 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, 696111 + ... + 697828.

It is an arithmetic number, because the mean of its divisors is an integer number (299697100).

Almost surely, 2^1197393601 is an apocalyptic number.

It is an amenable number.

1197393601 is a deficient number, since it is larger than the sum of its proper divisors (1394799).

1197393601 is an equidigital number, since it uses as much as digits as its factorization.

1197393601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394798.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 1197393601 is about 34603.3755723340. The cubic root of 1197393601 is about 1061.8886469809. Note that the first 3 decimals are identical.

The spelling of 1197393601 in words is "one billion, one hundred ninety-seven million, three hundred ninety-three thousand, six hundred one".