240402103 has 4 divisors (see below), whose sum is σ = 242736208. Its totient is φ = 238068000.

The previous prime is 240402089. The next prime is 240402131. The reversal of 240402103 is 301204042.

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 240402103 - 2⁹ = 240401591 is a prime.

It is a super-2 number, since 2×240402103² = 115586342253645218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240402163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166898 + ... + 1167103.

It is an arithmetic number, because the mean of its divisors is an integer number (60684052).

Almost surely, 2^240402103 is an apocalyptic number.

240402103 is a deficient number, since it is larger than the sum of its proper divisors (2334105).

240402103 is a wasteful number, since it uses less digits than its factorization.

240402103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334104.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 240402103 is about 15504.9057720452. The cubic root of 240402103 is about 621.7933707423.

Adding to 240402103 its reverse (301204042), we get a palindrome (541606145).

The spelling of 240402103 in words is "two hundred forty million, four hundred two thousand, one hundred three".