42122532 has 24 divisors (see below), whose sum is σ = 104067936. Its totient is φ = 13214848.

The previous prime is 42122497. The next prime is 42122537. The reversal of 42122532 is 23522124.

It is a junction number, because it is equal to n+sod(n) for n = 42122499 and 42122508.

It is not an unprimeable number, because it can be changed into a prime (42122537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103038 + ... + 103445.

It is an arithmetic number, because the mean of its divisors is an integer number (4336164).

Almost surely, 2^42122532 is an apocalyptic number.

It is an amenable number.

42122532 is an abundant number, since it is smaller than the sum of its proper divisors (61945404).

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

42122532 is a wasteful number, since it uses less digits than its factorization.

42122532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206507 (or 206505 counting only the distinct ones).

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

The square root of 42122532 is about 6490.1873624727. The cubic root of 42122532 is about 347.9403716041.

Adding to 42122532 its reverse (23522124), we get a palindrome (65644656).

The spelling of 42122532 in words is "forty-two million, one hundred twenty-two thousand, five hundred thirty-two".