402103 has 4 divisors (see below), whose sum is σ = 433048. Its totient is φ = 371160.

The previous prime is 402091. The next prime is 402107. The reversal of 402103 is 301204.

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 402103 - 2⁵ = 402071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 402103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402107) 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, 15453 + ... + 15478.

It is an arithmetic number, because the mean of its divisors is an integer number (108262).

2⁴⁰²¹⁰³ is an apocalyptic number.

402103 is a deficient number, since it is larger than the sum of its proper divisors (30945).

402103 is a wasteful number, since it uses less digits than its factorization.

402103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30944.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 402103 is about 634.1159200020. The cubic root of 402103 is about 73.8095296434.

Adding to 402103 its reverse (301204), we get a palindrome (703307).

It can be divided in two parts, 402 and 103, that added together give a palindrome (505).

The spelling of 402103 in words is "four hundred two thousand, one hundred three", and thus it is an iban number.