42102995 has 32 divisors (see below), whose sum is σ = 58351104. Its totient is φ = 28864000.

The previous prime is 42102979. The next prime is 42103043. The reversal of 42102995 is 59920124.

It is not a de Polignac number, because 42102995 - 2⁴ = 42102979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104795 + ... + 105195.

It is an arithmetic number, because the mean of its divisors is an integer number (1823472).

Almost surely, 2^42102995 is an apocalyptic number.

42102995 is a deficient number, since it is larger than the sum of its proper divisors (16248109).

42102995 is a wasteful number, since it uses less digits than its factorization.

42102995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 42102995 is about 6488.6820695731. The cubic root of 42102995 is about 347.8865701353.

It can be divided in two parts, 421029 and 95, that added together give a palindrome (421124).

The spelling of 42102995 in words is "forty-two million, one hundred two thousand, nine hundred ninety-five".