1204540103 has 4 divisors (see below), whose sum is σ = 1297197048. Its totient is φ = 1111883160.

The previous prime is 1204540091. The next prime is 1204540121. The reversal of 1204540103 is 3010454021.

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 1204540103 - 2¹⁶ = 1204474567 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 (1204540133) 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, 46328453 + ... + 46328478.

It is an arithmetic number, because the mean of its divisors is an integer number (324299262).

Almost surely, 2^1204540103 is an apocalyptic number.

1204540103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1204540103 is a deficient number, since it is larger than the sum of its proper divisors (92656945).

1204540103 is an equidigital number, since it uses as much as digits as its factorization.

1204540103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92656944.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1204540103 is about 34706.4850280175. The cubic root of 1204540103 is about 1063.9970435287.

Adding to 1204540103 its reverse (3010454021), we get a palindrome (4214994124).

The spelling of 1204540103 in words is "one billion, two hundred four million, five hundred forty thousand, one hundred three".