1148129 has 4 divisors (see below), whose sum is σ = 1215684. Its totient is φ = 1080576.

The previous prime is 1148111. The next prime is 1148167. The reversal of 1148129 is 9218411.

1148129 = 167² + 168² + ... + 200².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9218411 = 967 ⋅9533.

It can be written as a sum of positive squares in 2 ways, for example, as 429025 + 719104 = 655^2 + 848^2 .

It is a cyclic number.

It is not a de Polignac number, because 1148129 - 2¹⁶ = 1082593 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1148098 and 1148107.

It is not an unprimeable number, because it can be changed into a prime (1148029) 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, 33752 + ... + 33785.

It is an arithmetic number, because the mean of its divisors is an integer number (303921).

2^1148129 is an apocalyptic number.

It is an amenable number.

1148129 is a deficient number, since it is larger than the sum of its proper divisors (67555).

1148129 is an equidigital number, since it uses as much as digits as its factorization.

1148129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67554.

The product of its digits is 576, while the sum is 26.

The square root of 1148129 is about 1071.5078161171. The cubic root of 1148129 is about 104.7121062973.

The spelling of 1148129 in words is "one million, one hundred forty-eight thousand, one hundred twenty-nine".