1129929 has 8 divisors (see below), whose sum is σ = 1516800. Its totient is φ = 748176.

The previous prime is 1129897. The next prime is 1129951. The reversal of 1129929 is 9299211.

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

It is not a de Polignac number, because 1129929 - 2⁵ = 1129897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1129929.

It is not an unprimeable number, because it can be changed into a prime (1129229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729 + ... + 1670.

It is an arithmetic number, because the mean of its divisors is an integer number (189600).

2^1129929 is an apocalyptic number.

It is an amenable number.

1129929 is a deficient number, since it is larger than the sum of its proper divisors (386871).

1129929 is a wasteful number, since it uses less digits than its factorization.

1129929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559.

The product of its digits is 2916, while the sum is 33.

The square root of 1129929 is about 1062.9811851580. The cubic root of 1129929 is about 104.1558622038.

The spelling of 1129929 in words is "one million, one hundred twenty-nine thousand, nine hundred twenty-nine".