1197399379 has 8 divisors (see below), whose sum is σ = 1306649088. Its totient is φ = 1088215560.

The previous prime is 1197399367. The next prime is 1197399391. The reversal of 1197399379 is 9739937911.

It is an interprime number because it is at equal distance from previous prime (1197399367) and next prime (1197399391).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1197399379 - 2¹⁹ = 1196875091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1197399079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26394 + ... + 55600.

It is an arithmetic number, because the mean of its divisors is an integer number (163331136).

Almost surely, 2^1197399379 is an apocalyptic number.

1197399379 is a deficient number, since it is larger than the sum of its proper divisors (109249709).

1197399379 is a wasteful number, since it uses less digits than its factorization.

1197399379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32945.

The product of its digits is 2893401, while the sum is 58.

The square root of 1197399379 is about 34603.4590611979. The cubic root of 1197399379 is about 1061.8903550193.

The spelling of 1197399379 in words is "one billion, one hundred ninety-seven million, three hundred ninety-nine thousand, three hundred seventy-nine".