830129 has 4 divisors (see below), whose sum is σ = 873840. Its totient is φ = 786420.

The previous prime is 830117. The next prime is 830131. The reversal of 830129 is 921038.

830129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 830129 - 2¹⁶ = 764593 is a prime.

It is a super-2 number, since 2×830129² = 1378228313282, which contains 22 as substring.

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

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (830329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21827 + ... + 21864.

It is an arithmetic number, because the mean of its divisors is an integer number (218460).

2⁸³⁰¹²⁹ is an apocalyptic number.

It is an amenable number.

830129 is a deficient number, since it is larger than the sum of its proper divisors (43711).

830129 is a wasteful number, since it uses less digits than its factorization.

830129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43710.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 830129 is about 911.1141531115. The cubic root of 830129 is about 93.9828322352.

Subtracting 830129 from its reverse (921038), we obtain a palindrome (90909).

It can be divided in two parts, 830 and 129, that added together give a palindrome (959).

The spelling of 830129 in words is "eight hundred thirty thousand, one hundred twenty-nine".