1241248920 has 32 divisors (see below), whose sum is σ = 3723747120. Its totient is φ = 330999680.

The previous prime is 1241248919. The next prime is 1241248937. The reversal of 1241248920 is 298421421.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5171751 + ... + 5171990.

Almost surely, 2^1241248920 is an apocalyptic number.

1241248920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241248920 is an abundant number, since it is smaller than the sum of its proper divisors (2482498200).

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

1241248920 is a wasteful number, since it uses less digits than its factorization.

1241248920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10343755 (or 10343751 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1241248920 is about 35231.3627326563. The cubic root of 1241248920 is about 1074.6976384179.

The spelling of 1241248920 in words is "one billion, two hundred forty-one million, two hundred forty-eight thousand, nine hundred twenty".