42112371 has 32 divisors (see below), whose sum is σ = 66931200. Its totient is φ = 23051520.

The previous prime is 42112363. The next prime is 42112403. The reversal of 42112371 is 17321124.

It is not a de Polignac number, because 42112371 - 2³ = 42112363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (42112331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50385 + ... + 51213.

It is an arithmetic number, because the mean of its divisors is an integer number (2091600).

Almost surely, 2^42112371 is an apocalyptic number.

42112371 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

42112371 is a deficient number, since it is larger than the sum of its proper divisors (24818829).

42112371 is a wasteful number, since it uses less digits than its factorization.

42112371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939.

The product of its digits is 336, while the sum is 21.

The square root of 42112371 is about 6489.4045181357. The cubic root of 42112371 is about 347.9123920702.

Adding to 42112371 its reverse (17321124), we get a palindrome (59433495).

The spelling of 42112371 in words is "forty-two million, one hundred twelve thousand, three hundred seventy-one".