996129 has 6 divisors (see below), whose sum is σ = 1438866. Its totient is φ = 664080.

The previous prime is 996119. The next prime is 996143. The reversal of 996129 is 921699.

996129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 921600 + 74529 = 960^2 + 273^2 .

It is not a de Polignac number, because 996129 - 2⁷ = 996001 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 996093 and 996102.

It is not an unprimeable number, because it can be changed into a prime (996109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55332 + ... + 55349.

It is an arithmetic number, because the mean of its divisors is an integer number (239811).

2⁹⁹⁶¹²⁹ is an apocalyptic number.

It is an amenable number.

996129 is a deficient number, since it is larger than the sum of its proper divisors (442737).

996129 is a wasteful number, since it uses less digits than its factorization.

996129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110687 (or 110684 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 996129 is about 998.0626232857. The cubic root of 996129 is about 99.8707998117.

The spelling of 996129 in words is "nine hundred ninety-six thousand, one hundred twenty-nine".