42201124 has 12 divisors (see below), whose sum is σ = 84402304. Its totient is φ = 18086184.

The previous prime is 42201097. The next prime is 42201139. The reversal of 42201124 is 42110224.

42201124 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 42201098 and 42201107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753564 + ... + 753619.

Almost surely, 2^42201124 is an apocalyptic number.

It is an amenable number.

42201124 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.

42201124 is a wasteful number, since it uses less digits than its factorization.

42201124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507194 (or 1507192 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 42201124 is about 6496.2392197332. The cubic root of 42201124 is about 348.1566322693.

Adding to 42201124 its reverse (42110224), we get a palindrome (84311348).

The spelling of 42201124 in words is "forty-two million, two hundred one thousand, one hundred twenty-four".