1159129 has 4 divisors (see below), whose sum is σ = 1168384. Its totient is φ = 1149876.

The previous prime is 1159127. The next prime is 1159139. The reversal of 1159129 is 9219511.

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 a cyclic number.

It is not a de Polignac number, because 1159129 - 2¹ = 1159127 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 1159097 and 1159106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159127) 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, 4437 + ... + 4690.

It is an arithmetic number, because the mean of its divisors is an integer number (292096).

2^1159129 is an apocalyptic number.

It is an amenable number.

1159129 is a deficient number, since it is larger than the sum of its proper divisors (9255).

1159129 is an equidigital number, since it uses as much as digits as its factorization.

1159129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9254.

The product of its digits is 810, while the sum is 28.

The square root of 1159129 is about 1076.6285338964. The cubic root of 1159129 is about 105.0454527326.

It can be divided in two parts, 115912 and 9, that added together give a triangular number (115921 = T₄₈₁).

The spelling of 1159129 in words is "one million, one hundred fifty-nine thousand, one hundred twenty-nine".