42104132 has 18 divisors (see below), whose sum is σ = 85712382. Its totient is φ = 18044544.

The previous prime is 42104131. The next prime is 42104141. The reversal of 42104132 is 23140124.

It can be written as a sum of positive squares in only one way, i.e., 27709696 + 14394436 = 5264^2 + 3794^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42104132.

It is not an unprimeable number, because it can be changed into a prime (42104131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107213 + ... + 107604.

It is an arithmetic number, because the mean of its divisors is an integer number (4761799).

Almost surely, 2^42104132 is an apocalyptic number.

It is an amenable number.

42104132 is an abundant number, since it is smaller than the sum of its proper divisors (43608250).

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

42104132 is a wasteful number, since it uses less digits than its factorization.

42104132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214835 (or 214826 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 42104132 is about 6488.7696830755. The cubic root of 42104132 is about 347.8897016898.

Adding to 42104132 its reverse (23140124), we get a palindrome (65244256).

The spelling of 42104132 in words is "forty-two million, one hundred four thousand, one hundred thirty-two".