1200244103 has 4 divisors (see below), whose sum is σ = 1204030680. Its totient is φ = 1196457528.

The previous prime is 1200244091. The next prime is 1200244151. The reversal of 1200244103 is 3014420021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3014420021 = 27431 ⋅109891.

It is a cyclic number.

It is not a de Polignac number, because 1200244103 - 2⁶ = 1200244039 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 (1200244153) 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, 1892813 + ... + 1893446.

It is an arithmetic number, because the mean of its divisors is an integer number (301007670).

Almost surely, 2^1200244103 is an apocalyptic number.

1200244103 is a deficient number, since it is larger than the sum of its proper divisors (3786577).

1200244103 is an equidigital number, since it uses as much as digits as its factorization.

1200244103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3786576.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1200244103 is about 34644.5392955369. The cubic root of 1200244103 is about 1062.7306193376.

Adding to 1200244103 its reverse (3014420021), we get a palindrome (4214664124).

The spelling of 1200244103 in words is "one billion, two hundred million, two hundred forty-four thousand, one hundred three".