1129139 has 8 divisors (see below), whose sum is σ = 1285632. Its totient is φ = 981640.

The previous prime is 1129133. The next prime is 1129153. The reversal of 1129139 is 9319211.

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

It is a de Polignac number, because none of the positive numbers 2^k-1129139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1129133) 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, 1979 + ... + 2484.

It is an arithmetic number, because the mean of its divisors is an integer number (160704).

2^1129139 is an apocalyptic number.

1129139 is a deficient number, since it is larger than the sum of its proper divisors (156493).

1129139 is a wasteful number, since it uses less digits than its factorization.

1129139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4497.

The product of its digits is 486, while the sum is 26.

The square root of 1129139 is about 1062.6095237668. The cubic root of 1129139 is about 104.1315827093.

The spelling of 1129139 in words is "one million, one hundred twenty-nine thousand, one hundred thirty-nine".