10421103 has 32 divisors (see below), whose sum is σ = 17487360. Its totient is φ = 5362560.

The previous prime is 10421083. The next prime is 10421107. The reversal of 10421103 is 30112401.

It is a happy number.

It is not a de Polignac number, because 10421103 - 2⁶ = 10421039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45393 + ... + 45621.

It is an arithmetic number, because the mean of its divisors is an integer number (546480).

Almost surely, 2^10421103 is an apocalyptic number.

10421103 is a deficient number, since it is larger than the sum of its proper divisors (7066257).

10421103 is a wasteful number, since it uses less digits than its factorization.

10421103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 10421103 is about 3228.1733224844. The cubic root of 10421103 is about 218.4261157368.

Adding to 10421103 its reverse (30112401), we get a palindrome (40533504).

It can be divided in two parts, 1042 and 1103, that added together give a triangular number (2145 = T₆₅).

The spelling of 10421103 in words is "ten million, four hundred twenty-one thousand, one hundred three".