42242903 has 8 divisors (see below), whose sum is σ = 42757296. Its totient is φ = 41731200.

The previous prime is 42242887. The next prime is 42242911. The reversal of 42242903 is 30924224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42242903 - 2⁴ = 42242887 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 (42242923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60788 + ... + 61478.

It is an arithmetic number, because the mean of its divisors is an integer number (5344662).

Almost surely, 2^42242903 is an apocalyptic number.

42242903 is a deficient number, since it is larger than the sum of its proper divisors (514393).

42242903 is a wasteful number, since it uses less digits than its factorization.

42242903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 42242903 is about 6499.4540539956. The cubic root of 42242903 is about 348.2714857546.

The spelling of 42242903 in words is "forty-two million, two hundred forty-two thousand, nine hundred three".