1120129 has 4 divisors (see below), whose sum is σ = 1125376. Its totient is φ = 1114884.

The previous prime is 1120121. The next prime is 1120153. The reversal of 1120129 is 9210211.

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: 9210211 = 191 ⋅48221.

It is a cyclic number.

It is not a de Polignac number, because 1120129 - 2³ = 1120121 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2289 + ... + 2734.

It is an arithmetic number, because the mean of its divisors is an integer number (281344).

2^1120129 is an apocalyptic number.

It is an amenable number.

1120129 is a deficient number, since it is larger than the sum of its proper divisors (5247).

1120129 is an equidigital number, since it uses as much as digits as its factorization.

1120129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5246.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1120129 is about 1058.3614694423. The cubic root of 1120129 is about 103.8538689776.

The spelling of 1120129 in words is "one million, one hundred twenty thousand, one hundred twenty-nine".