2001193124 has 54 divisors (see below), whose sum is σ = 4123341810. Its totient is φ = 847359744.

The previous prime is 2001193109. The next prime is 2001193157. The reversal of 2001193124 is 4213911002.

It can be written as a sum of positive squares in 3 ways, for example, as 103022500 + 1898170624 = 10150^2 + 43568^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2001193124.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1551872 + ... + 1553160.

Almost surely, 2^2001193124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2001193124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2061670905).

2001193124 is an abundant number, since it is smaller than the sum of its proper divisors (2122148686).

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

2001193124 is a wasteful number, since it uses less digits than its factorization.

2001193124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485 (or 1387 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2001193124 is about 44734.6970929725. The cubic root of 2001193124 is about 1260.1715404309.

The spelling of 2001193124 in words is "two billion, one million, one hundred ninety-three thousand, one hundred twenty-four".