988123 has 4 divisors (see below), whose sum is σ = 990640. Its totient is φ = 985608.

The previous prime is 988111. The next prime is 988129. The reversal of 988123 is 321889.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-988123 is a prime.

It is a Duffinian number.

988123 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (988129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528 + ... + 1501.

It is an arithmetic number, because the mean of its divisors is an integer number (247660).

2⁹⁸⁸¹²³ is an apocalyptic number.

988123 is a deficient number, since it is larger than the sum of its proper divisors (2517).

988123 is a wasteful number, since it uses less digits than its factorization.

988123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516.

The product of its digits is 3456, while the sum is 31.

The square root of 988123 is about 994.0437616121. The cubic root of 988123 is about 99.6025222073.

It can be divided in two parts, 988 and 123, that added together give a palindrome (1111).

The spelling of 988123 in words is "nine hundred eighty-eight thousand, one hundred twenty-three".