1200032103 has 16 divisors (see below), whose sum is σ = 1652811776. Its totient is φ = 773673120.

The previous prime is 1200032101. The next prime is 1200032117. The reversal of 1200032103 is 3012300021.

It is a happy number.

It is not a de Polignac number, because 1200032103 - 2¹ = 1200032101 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 (1200032101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162201 + ... + 169437.

It is an arithmetic number, because the mean of its divisors is an integer number (103300736).

Almost surely, 2^1200032103 is an apocalyptic number.

1200032103 is a deficient number, since it is larger than the sum of its proper divisors (452779673).

1200032103 is a wasteful number, since it uses less digits than its factorization.

1200032103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9054.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1200032103 is about 34641.4795151708. The cubic root of 1200032103 is about 1062.6680453559.

Adding to 1200032103 its reverse (3012300021), we get a palindrome (4212332124).

The spelling of 1200032103 in words is "one billion, two hundred million, thirty-two thousand, one hundred three".