2001126460 has 12 divisors (see below), whose sum is σ = 4202365608. Its totient is φ = 800450576.

The previous prime is 2001126451. The next prime is 2001126461. The reversal of 2001126460 is 646211002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001126461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50028142 + ... + 50028181.

It is an arithmetic number, because the mean of its divisors is an integer number (350197134).

Almost surely, 2^2001126460 is an apocalyptic number.

2001126460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001126460 is an abundant number, since it is smaller than the sum of its proper divisors (2201239148).

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

2001126460 is a wasteful number, since it uses less digits than its factorization.

2001126460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100056332 (or 100056330 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2001126460 is about 44733.9519828061. The cubic root of 2001126460 is about 1260.1575472773.

Adding to 2001126460 its reverse (646211002), we get a palindrome (2647337462).

The spelling of 2001126460 in words is "two billion, one million, one hundred twenty-six thousand, four hundred sixty".