42119181 has 24 divisors (see below), whose sum is σ = 68970720. Its totient is φ = 24554016.

The previous prime is 42119167. The next prime is 42119201. The reversal of 42119181 is 18191124.

It is not a de Polignac number, because 42119181 - 2¹⁷ = 41988109 is a prime.

It is a super-2 number, since 2×42119181² = 3548050816221522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42119101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7251 + ... + 11696.

It is an arithmetic number, because the mean of its divisors is an integer number (2873780).

Almost surely, 2^42119181 is an apocalyptic number.

It is an amenable number.

42119181 is a deficient number, since it is larger than the sum of its proper divisors (26851539).

42119181 is a wasteful number, since it uses less digits than its factorization.

42119181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18985 (or 18982 counting only the distinct ones).

The product of its digits is 576, while the sum is 27.

The square root of 42119181 is about 6489.9291983811. The cubic root of 42119181 is about 347.9311447204.

The spelling of 42119181 in words is "forty-two million, one hundred nineteen thousand, one hundred eighty-one".