641124001 has 8 divisors (see below), whose sum is σ = 733410944. Its totient is φ = 549011520.

The previous prime is 641123981. The next prime is 641124019. The reversal of 641124001 is 100421146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 641124001 - 2¹⁷ = 640992929 is a prime.

It is a super-2 number, since 2×641124001² = 822079969316496002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 641124001.

It is not an unprimeable number, because it can be changed into a prime (641124061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35640 + ... + 50521.

It is an arithmetic number, because the mean of its divisors is an integer number (91676368).

Almost surely, 2^641124001 is an apocalyptic number.

It is an amenable number.

641124001 is a deficient number, since it is larger than the sum of its proper divisors (92286943).

641124001 is a wasteful number, since it uses less digits than its factorization.

641124001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87231.

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

The square root of 641124001 is about 25320.4265564386. The cubic root of 641124001 is about 862.2780781980.

Adding to 641124001 its reverse (100421146), we get a palindrome (741545147).

The spelling of 641124001 in words is "six hundred forty-one million, one hundred twenty-four thousand, one".