42117050 has 12 divisors (see below), whose sum is σ = 78337806. Its totient is φ = 16846800.

The previous prime is 42117017. The next prime is 42117059. The reversal of 42117050 is 5071124.

42117050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 22287841 + 19829209 = 4721^2 + 4453^2 .

It is not an unprimeable number, because it can be changed into a prime (42117059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 421121 + ... + 421220.

Almost surely, 2^42117050 is an apocalyptic number.

42117050 is a deficient number, since it is larger than the sum of its proper divisors (36220756).

42117050 is a wasteful number, since it uses less digits than its factorization.

42117050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842353 (or 842348 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 42117050 is about 6489.7650188585. The cubic root of 42117050 is about 347.9252768177.

Adding to 42117050 its reverse (5071124), we get a palindrome (47188174).

It can be divided in two parts, 421 and 17050, that added together give a palindrome (17471).

The spelling of 42117050 in words is "forty-two million, one hundred seventeen thousand, fifty".