641001124 has 9 divisors (see below), whose sum is σ = 1121840587. Its totient is φ = 320475244.

The previous prime is 641001113. The next prime is 641001139. The reversal of 641001124 is 421100146.

The square root of 641001124 is 25318.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 44307 + ... + 56965.

Almost surely, 2^641001124 is an apocalyptic number.

641001124 is the 25318-th square number.

It is an amenable number.

641001124 is a deficient number, since it is larger than the sum of its proper divisors (480839463).

641001124 is an frugal number, since it uses more digits than its factorization.

641001124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25322 (or 12661 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The cubic root of 641001124 is about 862.2229869764. Note that the first 3 decimals are identical.

The spelling of 641001124 in words is "six hundred forty-one million, one thousand, one hundred twenty-four".