1131200206 has 8 divisors (see below), whose sum is σ = 1696955040. Its totient is φ = 565548528.

The previous prime is 1131200197. The next prime is 1131200219. The reversal of 1131200206 is 6020021311.

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

It is a super-2 number, since 2×1131200206² = 2559227812108884872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1131200206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13755 + ... + 49513.

It is an arithmetic number, because the mean of its divisors is an integer number (212119380).

Almost surely, 2^1131200206 is an apocalyptic number.

1131200206 is a deficient number, since it is larger than the sum of its proper divisors (565754834).

1131200206 is a wasteful number, since it uses less digits than its factorization.

1131200206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51578.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1131200206 is about 33633.3198777641. The cubic root of 1131200206 is about 1041.9490711585.

Adding to 1131200206 its reverse (6020021311), we get a palindrome (7151221517).

The spelling of 1131200206 in words is "one billion, one hundred thirty-one million, two hundred thousand, two hundred six".