641267120 has 60 divisors (see below), whose sum is σ = 1614490416. Its totient is φ = 236770560.

The previous prime is 641267093. The next prime is 641267219. The reversal of 641267120 is 21762146.

641267120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×641267120² = 822447038386188800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10196 + ... + 37235.

Almost surely, 2^641267120 is an apocalyptic number.

It is an amenable number.

641267120 is an abundant number, since it is smaller than the sum of its proper divisors (973223296).

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

641267120 is a wasteful number, since it uses less digits than its factorization.

641267120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47470 (or 47451 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 641267120 is about 25323.2525557046. The cubic root of 641267120 is about 862.3422359347.

The spelling of 641267120 in words is "six hundred forty-one million, two hundred sixty-seven thousand, one hundred twenty".