1090129 has 2 divisors, whose sum is σ = 1090130. Its totient is φ = 1090128.

The previous prime is 1090127. The next prime is 1090151. The reversal of 1090129 is 9210901.

It is an a-pointer prime, because the next prime (1090151) can be obtained adding 1090129 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1040400 + 49729 = 1020^2 + 223^2 .

It is a cyclic number.

It is not a de Polignac number, because 1090129 - 2¹ = 1090127 is a prime.

Together with 1090127, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (1090127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545064 + 545065.

It is an arithmetic number, because the mean of its divisors is an integer number (545065).

2^1090129 is an apocalyptic number.

It is an amenable number.

1090129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1090129 is an equidigital number, since it uses as much as digits as its factorization.

1090129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 1090129 is about 1044.0924288587. The cubic root of 1090129 is about 102.9183064168.

The spelling of 1090129 in words is "one million, ninety thousand, one hundred twenty-nine".