2400121103 has 4 divisors (see below), whose sum is σ = 2400397848. Its totient is φ = 2399844360.

The previous prime is 2400121063. The next prime is 2400121127. The reversal of 2400121103 is 3011210042.

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 2400121103 - 2¹⁸ = 2399858959 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 (2400021103) 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, 124928 + ... + 142853.

It is an arithmetic number, because the mean of its divisors is an integer number (600099462).

Almost surely, 2^2400121103 is an apocalyptic number.

2400121103 is a deficient number, since it is larger than the sum of its proper divisors (276745).

2400121103 is an equidigital number, since it uses as much as digits as its factorization.

2400121103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276744.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2400121103 is about 48991.0308423899. The cubic root of 2400121103 is about 1338.8884193241. Note that the first 3 decimals are identical.

Adding to 2400121103 its reverse (3011210042), we get a palindrome (5411331145).

The spelling of 2400121103 in words is "two billion, four hundred million, one hundred twenty-one thousand, one hundred three".