1131012199 has 8 divisors (see below), whose sum is σ = 1147471920. Its totient is φ = 1114620096.

The previous prime is 1131012191. The next prime is 1131012251. The reversal of 1131012199 is 9912101311.

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 1131012199 - 2³ = 1131012191 is a prime.

It is a super-3 number, since 3×1131012199³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131012191) 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, 17289 + ... + 50605.

It is an arithmetic number, because the mean of its divisors is an integer number (143433990).

Almost surely, 2^1131012199 is an apocalyptic number.

1131012199 is a deficient number, since it is larger than the sum of its proper divisors (16459721).

1131012199 is an equidigital number, since it uses as much as digits as its factorization.

1131012199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33809.

The product of its (nonzero) digits is 486, while the sum is 28.

The square root of 1131012199 is about 33630.5248100591. The cubic root of 1131012199 is about 1041.8913435133.

The spelling of 1131012199 in words is "one billion, one hundred thirty-one million, twelve thousand, one hundred ninety-nine".