1129749182 has 8 divisors (see below), whose sum is σ = 1749289152. Its totient is φ = 546652800.

The previous prime is 1129749163. The next prime is 1129749193. The reversal of 1129749182 is 2819479211.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9110819 + ... + 9110942.

It is an arithmetic number, because the mean of its divisors is an integer number (218661144).

Almost surely, 2^1129749182 is an apocalyptic number.

1129749182 is a deficient number, since it is larger than the sum of its proper divisors (619539970).

1129749182 is a wasteful number, since it uses less digits than its factorization.

1129749182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18221794.

The product of its digits is 72576, while the sum is 44.

The square root of 1129749182 is about 33611.7417281521. The cubic root of 1129749182 is about 1041.5033675562.

The spelling of 1129749182 in words is "one billion, one hundred twenty-nine million, seven hundred forty-nine thousand, one hundred eighty-two".