1241579664 has 100 divisors (see below), whose sum is σ = 3869966716. Its totient is φ = 382019328.

The previous prime is 1241579641. The next prime is 1241579687. The reversal of 1241579664 is 4669751421.

1241579664 is a `hidden beast` number, since 12 + 4 + 1 + 579 + 6 + 64 = 666.

It is an interprime number because it is at equal distance from previous prime (1241579641) and next prime (1241579687).

It can be written as a sum of positive squares in 2 ways, for example, as 298598400 + 942981264 = 17280^2 + 30708^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19999 + ... + 53694.

Almost surely, 2^1241579664 is an apocalyptic number.

It is an amenable number.

1241579664 is an abundant number, since it is smaller than the sum of its proper divisors (2628387052).

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

1241579664 is a wasteful number, since it uses less digits than its factorization.

1241579664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73726 (or 73711 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 1241579664 is about 35236.0563060056. The cubic root of 1241579664 is about 1074.7930848196.

The spelling of 1241579664 in words is "one billion, two hundred forty-one million, five hundred seventy-nine thousand, six hundred sixty-four".