641670124 has 12 divisors (see below), whose sum is σ = 1161644400. Its totient is φ = 309771728.

The previous prime is 641670101. The next prime is 641670143. The reversal of 641670124 is 421076146.

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, 2765704 + ... + 2765935.

It is an arithmetic number, because the mean of its divisors is an integer number (96803700).

Almost surely, 2^641670124 is an apocalyptic number.

It is an amenable number.

641670124 is a deficient number, since it is larger than the sum of its proper divisors (519974276).

641670124 is a wasteful number, since it uses less digits than its factorization.

641670124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5531672 (or 5531670 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 641670124 is about 25331.2084986090. The cubic root of 641670124 is about 862.5228442875.

The spelling of 641670124 in words is "six hundred forty-one million, six hundred seventy thousand, one hundred twenty-four".