42167115 has 16 divisors (see below), whose sum is σ = 74964000. Its totient is φ = 22489056.

The previous prime is 42167107. The next prime is 42167117. The reversal of 42167115 is 51176124.

It is a happy number.

42167115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42167115 - 2³ = 42167107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42167117) 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 15 ways as a sum of consecutive naturals, for example, 156040 + ... + 156309.

It is an arithmetic number, because the mean of its divisors is an integer number (4685250).

Almost surely, 2^42167115 is an apocalyptic number.

42167115 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42167115 is a deficient number, since it is larger than the sum of its proper divisors (32796885).

42167115 is a wasteful number, since it uses less digits than its factorization.

42167115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312363 (or 312357 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 42167115 is about 6493.6211007419. The cubic root of 42167115 is about 348.0630830944.

Subtracting 42167115 from its reverse (51176124), we obtain a palindrome (9009009).

The spelling of 42167115 in words is "forty-two million, one hundred sixty-seven thousand, one hundred fifteen".