2001241250 has 20 divisors (see below), whose sum is σ = 3751128942. Its totient is φ = 800496000.

The previous prime is 2001241243. The next prime is 2001241261. The reversal of 2001241250 is 521421002.

It can be written as a sum of positive squares in 5 ways, for example, as 243703321 + 1757537929 = 15611^2 + 41923^2 .

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 9 ways as a sum of consecutive naturals, for example, 799247 + ... + 801746.

Almost surely, 2^2001241250 is an apocalyptic number.

2001241250 is a deficient number, since it is larger than the sum of its proper divisors (1749887692).

2001241250 is an equidigital number, since it uses as much as digits as its factorization.

2001241250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601015 (or 1601000 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2001241250 is about 44735.2349943532. The cubic root of 2001241250 is about 1260.1816421595.

Adding to 2001241250 its reverse (521421002), we get a palindrome (2522662252).

The spelling of 2001241250 in words is "two billion, one million, two hundred forty-one thousand, two hundred fifty".