1129411 has 4 divisors (see below), whose sum is σ = 1138432. Its totient is φ = 1120392.

The previous prime is 1129409. The next prime is 1129433. The reversal of 1129411 is 1149211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1149211 = 7 ⋅164173.

It is a cyclic number.

It is not a de Polignac number, because 1129411 - 2¹ = 1129409 is a prime.

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 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, 4320 + ... + 4573.

It is an arithmetic number, because the mean of its divisors is an integer number (284608).

2^1129411 is an apocalyptic number.

1129411 is a deficient number, since it is larger than the sum of its proper divisors (9021).

1129411 is an equidigital number, since it uses as much as digits as its factorization.

1129411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9020.

The product of its digits is 72, while the sum is 19.

The square root of 1129411 is about 1062.7375028670. The cubic root of 1129411 is about 104.1399435094.

It can be divided in two parts, 1129 and 411, that added together give a triangular number (1540 = T₅₅).

The spelling of 1129411 in words is "one million, one hundred twenty-nine thousand, four hundred eleven".