1129449 has 4 divisors (see below), whose sum is σ = 1505936. Its totient is φ = 752964.

The previous prime is 1129441. The next prime is 1129459. The reversal of 1129449 is 9449211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1129449 - 2³ = 1129441 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1129441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188239 + ... + 188244.

It is an arithmetic number, because the mean of its divisors is an integer number (376484).

2^1129449 is an apocalyptic number.

It is an amenable number.

1129449 is a deficient number, since it is larger than the sum of its proper divisors (376487).

1129449 is an equidigital number, since it uses as much as digits as its factorization.

1129449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376486.

The product of its digits is 2592, while the sum is 30.

The square root of 1129449 is about 1062.7553810732. The cubic root of 1129449 is about 104.1411114555.

The spelling of 1129449 in words is "one million, one hundred twenty-nine thousand, four hundred forty-nine".