42125228 has 6 divisors (see below), whose sum is σ = 73719156. Its totient is φ = 21062612.

The previous prime is 42125227. The next prime is 42125267. The reversal of 42125228 is 82252124.

It is a junction number, because it is equal to n+sod(n) for n = 42125197 and 42125206.

It is not an unprimeable number, because it can be changed into a prime (42125221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5265650 + ... + 5265657.

It is an arithmetic number, because the mean of its divisors is an integer number (12286526).

Almost surely, 2^42125228 is an apocalyptic number.

It is an amenable number.

42125228 is a deficient number, since it is larger than the sum of its proper divisors (31593928).

42125228 is a wasteful number, since it uses less digits than its factorization.

42125228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10531311 (or 10531309 counting only the distinct ones).

The product of its digits is 2560, while the sum is 26.

The square root of 42125228 is about 6490.3950573135. The cubic root of 42125228 is about 347.9477946086.

The spelling of 42125228 in words is "forty-two million, one hundred twenty-five thousand, two hundred twenty-eight".