1129149 has 12 divisors (see below), whose sum is σ = 1864096. Its totient is φ = 645192.

The previous prime is 1129133. The next prime is 1129153. The reversal of 1129149 is 9419211.

It is not a de Polignac number, because 1129149 - 2⁴ = 1129133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8899 + ... + 9024.

2^1129149 is an apocalyptic number.

It is an amenable number.

1129149 is a deficient number, since it is larger than the sum of its proper divisors (734947).

1129149 is a wasteful number, since it uses less digits than its factorization.

1129149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17936 (or 17933 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 1129149 is about 1062.6142291537. The cubic root of 1129149 is about 104.1318901154.

It can be divided in two parts, 112 and 9149, that added together give a cube (9261 = 21³).

The spelling of 1129149 in words is "one million, one hundred twenty-nine thousand, one hundred forty-nine".