1201365668 has 12 divisors (see below), whose sum is σ = 2213042160. Its totient is φ = 569067912.

The previous prime is 1201365667. The next prime is 1201365689. The reversal of 1201365668 is 8665631021.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (1201365667) 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, 7903646 + ... + 7903797.

It is an arithmetic number, because the mean of its divisors is an integer number (184420180).

Almost surely, 2^1201365668 is an apocalyptic number.

It is an amenable number.

1201365668 is a deficient number, since it is larger than the sum of its proper divisors (1011676492).

1201365668 is a wasteful number, since it uses less digits than its factorization.

1201365668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15807466 (or 15807464 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 1201365668 is about 34660.7222659886. The cubic root of 1201365668 is about 1063.0615382437.

Adding to 1201365668 its reverse (8665631021), we get a palindrome (9866996689).

The spelling of 1201365668 in words is "one billion, two hundred one million, three hundred sixty-five thousand, six hundred sixty-eight".