426129 has 16 divisors (see below), whose sum is σ = 638400. Its totient is φ = 250560.

The previous prime is 426103. The next prime is 426131. The reversal of 426129 is 921624.

426129 is nontrivially palindromic in base 14.

It is not a de Polignac number, because 426129 - 2¹⁵ = 393361 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 426099 and 426108.

It is not an unprimeable number, because it can be changed into a prime (426229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1047 + ... + 1395.

It is an arithmetic number, because the mean of its divisors is an integer number (39900).

2⁴²⁶¹²⁹ is an apocalyptic number.

It is an amenable number.

426129 is a deficient number, since it is larger than the sum of its proper divisors (212271).

426129 is a wasteful number, since it uses less digits than its factorization.

426129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400.

The product of its digits is 864, while the sum is 24.

The square root of 426129 is about 652.7855696934. The cubic root of 426129 is about 75.2512462864.

It can be divided in two parts, 426 and 129, that added together give a palindrome (555).

The spelling of 426129 in words is "four hundred twenty-six thousand, one hundred twenty-nine".