1141187109 has 8 divisors (see below), whose sum is σ = 1522231392. Its totient is φ = 760467120.

The previous prime is 1141187107. The next prime is 1141187111. The reversal of 1141187109 is 9017811411.

It is an interprime number because it is at equal distance from previous prime (1141187107) and next prime (1141187111).

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

It is not a de Polignac number, because 1141187109 - 2¹ = 1141187107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1141187109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141187107) 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, 72739 + ... + 87024.

It is an arithmetic number, because the mean of its divisors is an integer number (190278924).

Almost surely, 2^1141187109 is an apocalyptic number.

It is an amenable number.

1141187109 is a deficient number, since it is larger than the sum of its proper divisors (381044283).

1141187109 is a wasteful number, since it uses less digits than its factorization.

1141187109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162147.

The product of its (nonzero) digits is 2016, while the sum is 33.

The square root of 1141187109 is about 33781.4610252428. The cubic root of 1141187109 is about 1045.0064051865.

The spelling of 1141187109 in words is "one billion, one hundred forty-one million, one hundred eighty-seven thousand, one hundred nine".