42052103 has 4 divisors (see below), whose sum is σ = 42304080. Its totient is φ = 41800128.

The previous prime is 42052079. The next prime is 42052147. The reversal of 42052103 is 30125024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42052103 - 2⁶ = 42052039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42052163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125738 + ... + 126071.

It is an arithmetic number, because the mean of its divisors is an integer number (10576020).

Almost surely, 2^42052103 is an apocalyptic number.

42052103 is a deficient number, since it is larger than the sum of its proper divisors (251977).

42052103 is a wasteful number, since it uses less digits than its factorization.

42052103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251976.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 42052103 is about 6484.7592862033. The cubic root of 42052103 is about 347.7463443104.

Adding to 42052103 its reverse (30125024), we get a palindrome (72177127).

It can be divided in two parts, 4205 and 2103, that multiplied together give a triangular number (8843115 = T₄₂₀₅).

The spelling of 42052103 in words is "forty-two million, fifty-two thousand, one hundred three".