42534120 has 32 divisors (see below), whose sum is σ = 127602720. Its totient is φ = 11342400.

The previous prime is 42534091. The next prime is 42534131. The reversal of 42534120 is 2143524.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177106 + ... + 177345.

It is an arithmetic number, because the mean of its divisors is an integer number (3987585).

Almost surely, 2^42534120 is an apocalyptic number.

42534120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42534120 is an abundant number, since it is smaller than the sum of its proper divisors (85068600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42534120 is a wasteful number, since it uses less digits than its factorization.

42534120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354465 (or 354461 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 42534120 is about 6521.8187647312. The cubic root of 42534120 is about 349.0699662408.

Adding to 42534120 its reverse (2143524), we get a palindrome (44677644).

The spelling of 42534120 in words is "forty-two million, five hundred thirty-four thousand, one hundred twenty".