1200535113 has 16 divisors (see below), whose sum is σ = 1624596480. Its totient is φ = 788460816.

The previous prime is 1200535099. The next prime is 1200535129. The reversal of 1200535113 is 3115350021.

It is not a de Polignac number, because 1200535113 - 2⁴ = 1200535097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1200535113.

It is not an unprimeable number, because it can be changed into a prime (1200535183) 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, 105256 + ... + 116102.

It is an arithmetic number, because the mean of its divisors is an integer number (101537280).

Almost surely, 2^1200535113 is an apocalyptic number.

It is an amenable number.

1200535113 is a deficient number, since it is larger than the sum of its proper divisors (424061367).

1200535113 is a wasteful number, since it uses less digits than its factorization.

1200535113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11396.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1200535113 is about 34648.7389813829. The cubic root of 1200535113 is about 1062.8165019358.

Adding to 1200535113 its reverse (3115350021), we get a palindrome (4315885134).

The spelling of 1200535113 in words is "one billion, two hundred million, five hundred thirty-five thousand, one hundred thirteen".