126429 has 16 divisors (see below), whose sum is σ = 186048. Its totient is φ = 76032.

The previous prime is 126421. The next prime is 126433. The reversal of 126429 is 924621.

It is not a de Polignac number, because 126429 - 2³ = 126421 is a prime.

126429 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 126399 and 126408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126421) 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 15 ways as a sum of consecutive naturals, for example, 1854 + ... + 1920.

It is an arithmetic number, because the mean of its divisors is an integer number (11628).

2¹²⁶⁴²⁹ is an apocalyptic number.

It is an amenable number.

126429 is a deficient number, since it is larger than the sum of its proper divisors (59619).

126429 is a wasteful number, since it uses less digits than its factorization.

126429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124.

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

The square root of 126429 is about 355.5685587900. The cubic root of 126429 is about 50.1898118507.

It can be divided in two parts, 126 and 429, that added together give a palindrome (555).

The spelling of 126429 in words is "one hundred twenty-six thousand, four hundred twenty-nine".