42751105 has 16 divisors (see below), whose sum is σ = 52450560. Its totient is φ = 33441408.

The previous prime is 42751103. The next prime is 42751109. The reversal of 42751105 is 50115724.

It is a cyclic number.

It is not a de Polignac number, because 42751105 - 2¹ = 42751103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42751105.

It is not an unprimeable number, because it can be changed into a prime (42751103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92104 + ... + 92566.

It is an arithmetic number, because the mean of its divisors is an integer number (3278160).

Almost surely, 2^42751105 is an apocalyptic number.

It is an amenable number.

42751105 is a deficient number, since it is larger than the sum of its proper divisors (9699455).

42751105 is a wasteful number, since it uses less digits than its factorization.

42751105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 42751105 is about 6538.4329162269. The cubic root of 42751105 is about 349.6625454942.

Adding to 42751105 its reverse (50115724), we get a palindrome (92866829).

The spelling of 42751105 in words is "forty-two million, seven hundred fifty-one thousand, one hundred five".