42141252 has 12 divisors (see below), whose sum is σ = 98329616. Its totient is φ = 14047080.

The previous prime is 42141251. The next prime is 42141257. The reversal of 42141252 is 25214124.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (42141251) 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, 1755874 + ... + 1755897.

Almost surely, 2^42141252 is an apocalyptic number.

It is an amenable number.

42141252 is an abundant number, since it is smaller than the sum of its proper divisors (56188364).

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

42141252 is a wasteful number, since it uses less digits than its factorization.

42141252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3511778 (or 3511776 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 42141252 is about 6491.6293794393. The cubic root of 42141252 is about 347.9919075936.

Adding to 42141252 its reverse (25214124), we get a palindrome (67355376).

The spelling of 42141252 in words is "forty-two million, one hundred forty-one thousand, two hundred fifty-two".