1129369 has 4 divisors (see below), whose sum is σ = 1178496. Its totient is φ = 1080244.

The previous prime is 1129367. The next prime is 1129391. The reversal of 1129369 is 9639211.

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: 9639211 = 337 ⋅28603.

It is a cyclic number.

It is not a de Polignac number, because 1129369 - 2¹ = 1129367 is a prime.

It is a super-2 number, since 2×1129369² = 2550948676322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1129369.

It is not an unprimeable number, because it can be changed into a prime (1129367) 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 3 ways as a sum of consecutive naturals, for example, 24529 + ... + 24574.

It is an arithmetic number, because the mean of its divisors is an integer number (294624).

2^1129369 is an apocalyptic number.

It is an amenable number.

1129369 is a deficient number, since it is larger than the sum of its proper divisors (49127).

1129369 is an equidigital number, since it uses as much as digits as its factorization.

1129369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49126.

The product of its digits is 2916, while the sum is 31.

The square root of 1129369 is about 1062.7177423945. The cubic root of 1129369 is about 104.1386525912.

The spelling of 1129369 in words is "one million, one hundred twenty-nine thousand, three hundred sixty-nine".