42512102 has 16 divisors (see below), whose sum is σ = 65463552. Its totient is φ = 20698440.

The previous prime is 42512089. The next prime is 42512123. The reversal of 42512102 is 20121524.

42512102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9983 + ... + 13589.

It is an arithmetic number, because the mean of its divisors is an integer number (4091472).

Almost surely, 2^42512102 is an apocalyptic number.

42512102 is a deficient number, since it is larger than the sum of its proper divisors (22951450).

42512102 is a wasteful number, since it uses less digits than its factorization.

42512102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3763.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 42512102 is about 6520.1305201660. The cubic root of 42512102 is about 349.0097232399.

Adding to 42512102 its reverse (20121524), we get a palindrome (62633626).

The spelling of 42512102 in words is "forty-two million, five hundred twelve thousand, one hundred two".