1141213099 has 4 divisors (see below), whose sum is σ = 1228998736. Its totient is φ = 1053427464.

The previous prime is 1141213081. The next prime is 1141213109. The reversal of 1141213099 is 9903121411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9903121411 = 233 ⋅42502667.

It is a cyclic number.

It is not a de Polignac number, because 1141213099 - 2⁵ = 1141213067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1141213099.

It is not an unprimeable number, because it can be changed into a prime (1141213069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43892799 + ... + 43892824.

It is an arithmetic number, because the mean of its divisors is an integer number (307249684).

Almost surely, 2^1141213099 is an apocalyptic number.

1141213099 is a deficient number, since it is larger than the sum of its proper divisors (87785637).

1141213099 is an equidigital number, since it uses as much as digits as its factorization.

1141213099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87785636.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 1141213099 is about 33781.8457015007. The cubic root of 1141213099 is about 1045.0143383028.

The spelling of 1141213099 in words is "one billion, one hundred forty-one million, two hundred thirteen thousand, ninety-nine".