1200132111 has 16 divisors (see below), whose sum is σ = 1714881024. Its totient is φ = 744616224.

The previous prime is 1200132103. The next prime is 1200132127. The reversal of 1200132111 is 1112310021.

It is not a de Polignac number, because 1200132111 - 2³ = 1200132103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200132211) 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, 232491 + ... + 237596.

It is an arithmetic number, because the mean of its divisors is an integer number (107180064).

Almost surely, 2^1200132111 is an apocalyptic number.

1200132111 is a deficient number, since it is larger than the sum of its proper divisors (514748913).

1200132111 is a wasteful number, since it uses less digits than its factorization.

1200132111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470150.

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

The square root of 1200132111 is about 34642.9229569331. The cubic root of 1200132111 is about 1062.6975646645.

Adding to 1200132111 its reverse (1112310021), we get a palindrome (2312442132).

The spelling of 1200132111 in words is "one billion, two hundred million, one hundred thirty-two thousand, one hundred eleven".