2001022134 has 16 divisors (see below), whose sum is σ = 4061777088. Its totient is φ = 657051912.

The previous prime is 2001022129. The next prime is 2001022139. The reversal of 2001022134 is 4312201002.

It is an interprime number because it is at equal distance from previous prime (2001022129) and next prime (2001022139).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001022139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2488432 + ... + 2489235.

It is an arithmetic number, because the mean of its divisors is an integer number (253861068).

Almost surely, 2^2001022134 is an apocalyptic number.

2001022134 is an abundant number, since it is smaller than the sum of its proper divisors (2060754954).

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

2001022134 is a wasteful number, since it uses less digits than its factorization.

2001022134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4977739.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2001022134 is about 44732.7858958058. The cubic root of 2001022134 is about 1260.1356480314.

Adding to 2001022134 its reverse (4312201002), we get a palindrome (6313223136).

The spelling of 2001022134 in words is "two billion, one million, twenty-two thousand, one hundred thirty-four".