42534129 has 16 divisors (see below), whose sum is σ = 61997760. Its totient is φ = 25724160.

The previous prime is 42534091. The next prime is 42534131. The reversal of 42534129 is 92143524.

It is not a de Polignac number, because 42534129 - 2⁷ = 42534001 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42534096 and 42534105.

It is not an unprimeable number, because it can be changed into a prime (42534169) 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, 19317 + ... + 21405.

It is an arithmetic number, because the mean of its divisors is an integer number (3874860).

Almost surely, 2^42534129 is an apocalyptic number.

It is an amenable number.

42534129 is a deficient number, since it is larger than the sum of its proper divisors (19463631).

42534129 is a wasteful number, since it uses less digits than its factorization.

42534129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720.

The product of its digits is 8640, while the sum is 30.

The square root of 42534129 is about 6521.8194547227. The cubic root of 42534129 is about 349.0699908613.

The spelling of 42534129 in words is "forty-two million, five hundred thirty-four thousand, one hundred twenty-nine".