42881124 has 48 divisors (see below), whose sum is σ = 117552960. Its totient is φ = 11994240.

The previous prime is 42881101. The next prime is 42881159. The reversal of 42881124 is 42118824.

It is a junction number, because it is equal to n+sod(n) for n = 42881091 and 42881100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10779 + ... + 14210.

It is an arithmetic number, because the mean of its divisors is an integer number (2449020).

Almost surely, 2^42881124 is an apocalyptic number.

42881124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42881124 is an abundant number, since it is smaller than the sum of its proper divisors (74671836).

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

42881124 is a wasteful number, since it uses less digits than its factorization.

42881124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25020 (or 25018 counting only the distinct ones).

The product of its digits is 4096, while the sum is 30.

The square root of 42881124 is about 6548.3680409702. The cubic root of 42881124 is about 350.0166631522.

Adding to 42881124 its reverse (42118824), we get a palindrome (84999948).

The spelling of 42881124 in words is "forty-two million, eight hundred eighty-one thousand, one hundred twenty-four".