4000103 has 4 divisors (see below), whose sum is σ = 4006968. Its totient is φ = 3993240.

The previous prime is 4000093. The next prime is 4000133. The reversal of 4000103 is 3010004.

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 4000103 - 2⁶ = 4000039 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 (4000133) 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, 2468 + ... + 3753.

It is an arithmetic number, because the mean of its divisors is an integer number (1001742).

Almost surely, 2^4000103 is an apocalyptic number.

4000103 is a deficient number, since it is larger than the sum of its proper divisors (6865).

4000103 is an equidigital number, since it uses as much as digits as its factorization.

4000103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6864.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 4000103 is about 2000.0257498342. The cubic root of 4000103 is about 158.7414677044.

Adding to 4000103 its reverse (3010004), we get a palindrome (7010107).

Subtracting from 4000103 its reverse (3010004), we obtain a palindrome (990099).

The spelling of 4000103 in words is "four million, one hundred three", and thus it is an aban number.