1241783788 has 48 divisors (see below), whose sum is σ = 2560681984. Its totient is φ = 515782080.

The previous prime is 1241783749. The next prime is 1241783791. The reversal of 1241783788 is 8873871421.

It is a super-2 number, since 2×1241783788² = 3084053952279257888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278545 + ... + 282967.

Almost surely, 2^1241783788 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 1241783788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1280340992).

1241783788 is an abundant number, since it is smaller than the sum of its proper divisors (1318898196).

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

1241783788 is a wasteful number, since it uses less digits than its factorization.

1241783788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4742 (or 4740 counting only the distinct ones).

The product of its digits is 602112, while the sum is 49.

The square root of 1241783788 is about 35238.9527086149. The cubic root of 1241783788 is about 1074.8519826490.

The spelling of 1241783788 in words is "one billion, two hundred forty-one million, seven hundred eighty-three thousand, seven hundred eighty-eight".