42001103 has 8 divisors (see below), whose sum is σ = 42453600. Its totient is φ = 41551200.

The previous prime is 42001093. The next prime is 42001109. The reversal of 42001103 is 30110024.

It is a happy number.

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 42001103 - 2⁴ = 42001087 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 (42001109) 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, 52301 + ... + 53097.

It is an arithmetic number, because the mean of its divisors is an integer number (5306700).

Almost surely, 2^42001103 is an apocalyptic number.

42001103 is a deficient number, since it is larger than the sum of its proper divisors (452497).

42001103 is a wasteful number, since it uses less digits than its factorization.

42001103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 42001103 is about 6480.8257961467. The cubic root of 42001103 is about 347.6057073647.

Adding to 42001103 its reverse (30110024), we get a palindrome (72111127).

The spelling of 42001103 in words is "forty-two million, one thousand, one hundred three".