42066115 has 32 divisors (see below), whose sum is σ = 63221760. Its totient is φ = 26158464.

The previous prime is 42066107. The next prime is 42066119. The reversal of 42066115 is 51166024.

It is a cyclic number.

It is not a de Polignac number, because 42066115 - 2³ = 42066107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42066115.

It is not an unprimeable number, because it can be changed into a prime (42066119) 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, 26062 + ... + 27628.

It is an arithmetic number, because the mean of its divisors is an integer number (1975680).

Almost surely, 2^42066115 is an apocalyptic number.

42066115 is a deficient number, since it is larger than the sum of its proper divisors (21155645).

42066115 is a wasteful number, since it uses less digits than its factorization.

42066115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 42066115 is about 6485.8395755677. The cubic root of 42066115 is about 347.7849637082.

Subtracting 42066115 from its reverse (51166024), we obtain a palindrome (9099909).

The spelling of 42066115 in words is "forty-two million, sixty-six thousand, one hundred fifteen".