42121848 has 32 divisors (see below), whose sum is σ = 106353360. Its totient is φ = 13900800.

The previous prime is 42121847. The next prime is 42121889. The reversal of 42121848 is 84812124.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42121843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6265 + ... + 11112.

Almost surely, 2^42121848 is an apocalyptic number.

It is an amenable number.

42121848 is an abundant number, since it is smaller than the sum of its proper divisors (64231512).

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

42121848 is a wasteful number, since it uses less digits than its factorization.

42121848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17487 (or 17483 counting only the distinct ones).

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

The square root of 42121848 is about 6490.1346673239. The cubic root of 42121848 is about 347.9384882692.

The spelling of 42121848 in words is "forty-two million, one hundred twenty-one thousand, eight hundred forty-eight".