1241666808 has 128 divisors (see below), whose sum is σ = 3423928320. Its totient is φ = 373524480.

The previous prime is 1241666761. The next prime is 1241666819. The reversal of 1241666808 is 8086661421.

It is a self number, because there is not a number n which added to its sum of digits gives 1241666808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1605910 + ... + 1606682.

It is an arithmetic number, because the mean of its divisors is an integer number (26749440).

Almost surely, 2^1241666808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1241666808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1711964160).

1241666808 is an abundant number, since it is smaller than the sum of its proper divisors (2182261512).

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

1241666808 is a wasteful number, since it uses less digits than its factorization.

1241666808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957 (or 953 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 1241666808 is about 35237.2928585611. The cubic root of 1241666808 is about 1074.8182300922.

The spelling of 1241666808 in words is "one billion, two hundred forty-one million, six hundred sixty-six thousand, eight hundred eight".