1197074209 has 8 divisors (see below), whose sum is σ = 1271822760. Its totient is φ = 1124557056.

The previous prime is 1197074183. The next prime is 1197074231. The reversal of 1197074209 is 9024707911.

It can be written as a sum of positive squares in 4 ways, for example, as 311416609 + 885657600 = 17647^2 + 29760^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1197074209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1197074239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556744 + ... + 558889.

It is an arithmetic number, because the mean of its divisors is an integer number (158977845).

Almost surely, 2^1197074209 is an apocalyptic number.

It is an amenable number.

1197074209 is a deficient number, since it is larger than the sum of its proper divisors (74748551).

1197074209 is a wasteful number, since it uses less digits than its factorization.

1197074209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115699.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 1197074209 is about 34598.7602234531. The cubic root of 1197074209 is about 1061.7942227530.

The spelling of 1197074209 in words is "one billion, one hundred ninety-seven million, seventy-four thousand, two hundred nine".