2001366125 has 64 divisors (see below), whose sum is σ = 2874942720. Its totient is φ = 1377376000.

The previous prime is 2001366119. The next prime is 2001366127. The reversal of 2001366125 is 5216631002.

It is not a de Polignac number, because 2001366125 - 2¹⁰ = 2001365101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2001366094 and 2001366103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001366127) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2112902 + ... + 2113848.

It is an arithmetic number, because the mean of its divisors is an integer number (44920980).

Almost surely, 2^2001366125 is an apocalyptic number.

2001366125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2001366125 is a deficient number, since it is larger than the sum of its proper divisors (873576595).

2001366125 is a wasteful number, since it uses less digits than its factorization.

2001366125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2001366125 is about 44736.6306844849. The cubic root of 2001366125 is about 1260.2078528774.

Adding to 2001366125 its reverse (5216631002), we get a palindrome (7217997127).

The spelling of 2001366125 in words is "two billion, one million, three hundred sixty-six thousand, one hundred twenty-five".