2001232134 has 24 divisors (see below), whose sum is σ = 4730185512. Its totient is φ = 606433920.

The previous prime is 2001232117. The next prime is 2001232153. The reversal of 2001232134 is 4312321002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5053419 + ... + 5053814.

It is an arithmetic number, because the mean of its divisors is an integer number (197091063).

Almost surely, 2^2001232134 is an apocalyptic number.

2001232134 is an abundant number, since it is smaller than the sum of its proper divisors (2728953378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001232134 is a wasteful number, since it uses less digits than its factorization.

2001232134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10107252 (or 10107249 counting only the distinct ones).

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

The square root of 2001232134 is about 44735.1331058710. The cubic root of 2001232134 is about 1260.1797287081.

Adding to 2001232134 its reverse (4312321002), we get a palindrome (6313553136).

The spelling of 2001232134 in words is "two billion, one million, two hundred thirty-two thousand, one hundred thirty-four".