1129949 has 4 divisors (see below), whose sum is σ = 1189440. Its totient is φ = 1070460.

The previous prime is 1129897. The next prime is 1129951. The reversal of 1129949 is 9499211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9499211 = 29 ⋅327559.

It is not a de Polignac number, because 1129949 - 2⁸ = 1129693 is a prime.

It is a Duffinian 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 (1128949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29717 + ... + 29754.

It is an arithmetic number, because the mean of its divisors is an integer number (297360).

2^1129949 is an apocalyptic number.

1129949 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1129949 is a deficient number, since it is larger than the sum of its proper divisors (59491).

1129949 is an equidigital number, since it uses as much as digits as its factorization.

1129949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59490.

The product of its digits is 5832, while the sum is 35.

The square root of 1129949 is about 1062.9905926206. The cubic root of 1129949 is about 104.1564767277.

The spelling of 1129949 in words is "one million, one hundred twenty-nine thousand, nine hundred forty-nine".