988129 has 2 divisors, whose sum is σ = 988130. Its totient is φ = 988128.

The previous prime is 988111. The next prime is 988147. The reversal of 988129 is 921889.

It is a balanced prime because it is at equal distance from previous prime (988111) and next prime (988147).

It can be written as a sum of positive squares in only one way, i.e., 603729 + 384400 = 777^2 + 620^2 .

It is an emirp because it is prime and its reverse (921889) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-988129 is a prime.

It is not a weakly prime, because it can be changed into another prime (988109) 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 as a sum of consecutive naturals, namely, 494064 + 494065.

It is an arithmetic number, because the mean of its divisors is an integer number (494065).

2⁹⁸⁸¹²⁹ is an apocalyptic number.

It is an amenable number.

988129 is a deficient number, since it is larger than the sum of its proper divisors (1).

988129 is an equidigital number, since it uses as much as digits as its factorization.

988129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 37.

The square root of 988129 is about 994.0467795833. The cubic root of 988129 is about 99.6027238063.

The spelling of 988129 in words is "nine hundred eighty-eight thousand, one hundred twenty-nine".