126428429 has 8 divisors (see below), whose sum is σ = 131193120. Its totient is φ = 121690800.

The previous prime is 126428411. The next prime is 126428431. The reversal of 126428429 is 924824621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126428429 - 2²⁰ = 125379853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126428392 and 126428401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126428629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3014 + ... + 16184.

It is an arithmetic number, because the mean of its divisors is an integer number (16399140).

Almost surely, 2^126428429 is an apocalyptic number.

It is an amenable number.

126428429 is a deficient number, since it is larger than the sum of its proper divisors (4764691).

126428429 is a wasteful number, since it uses less digits than its factorization.

126428429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13531.

The product of its digits is 55296, while the sum is 38.

The square root of 126428429 is about 11244.0397099975. The cubic root of 126428429 is about 501.8973629206.

The spelling of 126428429 in words is "one hundred twenty-six million, four hundred twenty-eight thousand, four hundred twenty-nine".