1200434103 has 36 divisors (see below), whose sum is σ = 1912163344. Its totient is φ = 725155200.

The previous prime is 1200434093. The next prime is 1200434129. The reversal of 1200434103 is 3014340021.

It is not a de Polignac number, because 1200434103 - 2⁴ = 1200434087 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 (1200334103) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 365358 + ... + 368628.

Almost surely, 2^1200434103 is an apocalyptic number.

1200434103 is a deficient number, since it is larger than the sum of its proper divisors (711729241).

1200434103 is a wasteful number, since it uses less digits than its factorization.

1200434103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3636 (or 3622 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1200434103 is about 34647.2813219162. The cubic root of 1200434103 is about 1062.7866935321.

Adding to 1200434103 its reverse (3014340021), we get a palindrome (4214774124).

The spelling of 1200434103 in words is "one billion, two hundred million, four hundred thirty-four thousand, one hundred three".