1129005 has 16 divisors (see below), whose sum is σ = 2007360. Its totient is φ = 602064.

The previous prime is 1128997. The next prime is 1129013. The reversal of 1129005 is 5009211.

It is an interprime number because it is at equal distance from previous prime (1128997) and next prime (1129013).

It is not a de Polignac number, because 1129005 - 2³ = 1128997 is a prime.

1129005 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4047 + ... + 4316.

It is an arithmetic number, because the mean of its divisors is an integer number (125460).

2^1129005 is an apocalyptic number.

1129005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1129005 is a deficient number, since it is larger than the sum of its proper divisors (878355).

1129005 is an equidigital number, since it uses as much as digits as its factorization.

1129005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8377 (or 8371 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 1129005 is about 1062.5464695720. The cubic root of 1129005 is about 104.1274632920.

The spelling of 1129005 in words is "one million, one hundred twenty-nine thousand, five".