42026903 has 4 divisors (see below), whose sum is σ = 42602688. Its totient is φ = 41451120.

The previous prime is 42026893. The next prime is 42026921. The reversal of 42026903 is 30962024.

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 42026903 - 2¹² = 42022807 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 (42023903) 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, 287783 + ... + 287928.

It is an arithmetic number, because the mean of its divisors is an integer number (10650672).

Almost surely, 2^42026903 is an apocalyptic number.

42026903 is a deficient number, since it is larger than the sum of its proper divisors (575785).

42026903 is an equidigital number, since it uses as much as digits as its factorization.

42026903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575784.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 42026903 is about 6482.8159776443. The cubic root of 42026903 is about 347.6768673338.

Adding to 42026903 its reverse (30962024), we get a palindrome (72988927).

The spelling of 42026903 in words is "forty-two million, twenty-six thousand, nine hundred three".