42126532 has 12 divisors (see below), whose sum is σ = 84253120. Its totient is φ = 18054216.

The previous prime is 42126521. The next prime is 42126533. The reversal of 42126532 is 23562124.

42126532 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 42126497 and 42126506.

It is not an unprimeable number, because it can be changed into a prime (42126533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752232 + ... + 752287.

Almost surely, 2^42126532 is an apocalyptic number.

It is an amenable number.

42126532 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42126532 is a wasteful number, since it uses less digits than its factorization.

42126532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504530 (or 1504528 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 42126532 is about 6490.4955126708. The cubic root of 42126532 is about 347.9513848502.

Adding to 42126532 its reverse (23562124), we get a palindrome (65688656).

The spelling of 42126532 in words is "forty-two million, one hundred twenty-six thousand, five hundred thirty-two".