641874122 has 8 divisors (see below), whose sum is σ = 969187872. Its totient is φ = 318811500.

The previous prime is 641874073. The next prime is 641874161. The reversal of 641874122 is 221478146.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062404 + ... + 1063007.

It is an arithmetic number, because the mean of its divisors is an integer number (121148484).

Almost surely, 2^641874122 is an apocalyptic number.

641874122 is a deficient number, since it is larger than the sum of its proper divisors (327313750).

641874122 is a wasteful number, since it uses less digits than its factorization.

641874122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125564.

The product of its digits is 21504, while the sum is 35.

The square root of 641874122 is about 25335.2347926756. The cubic root of 641874122 is about 862.6142382326.

The spelling of 641874122 in words is "six hundred forty-one million, eight hundred seventy-four thousand, one hundred twenty-two".