1301129 has 4 divisors (see below), whose sum is σ = 1377684. Its totient is φ = 1224576.

The previous prime is 1301123. The next prime is 1301147. The reversal of 1301129 is 9211031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9211031 = 149 ⋅61819.

It can be written as a sum of positive squares in 2 ways, for example, as 1177225 + 123904 = 1085^2 + 352^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301129 - 2¹⁶ = 1235593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 76537 = 1301129 / (1 + 3 + 0 + 1 + 1 + 2 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301123) 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, 38252 + ... + 38285.

It is an arithmetic number, because the mean of its divisors is an integer number (344421).

2^1301129 is an apocalyptic number.

It is an amenable number.

1301129 is a deficient number, since it is larger than the sum of its proper divisors (76555).

1301129 is an equidigital number, since it uses as much as digits as its factorization.

1301129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76554.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 1301129 is about 1140.6704169040. The cubic root of 1301129 is about 109.1708735891.

The spelling of 1301129 in words is "one million, three hundred one thousand, one hundred twenty-nine".