1241781590 has 32 divisors (see below), whose sum is σ = 2556057600. Its totient is φ = 425497824.

The previous prime is 1241781581. The next prime is 1241781599. The reversal of 1241781590 is 951871421.

1241781590 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1241781581) and next prime (1241781599).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241781599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140111 + ... + 148709.

It is an arithmetic number, because the mean of its divisors is an integer number (79876800).

Almost surely, 2^1241781590 is an apocalyptic number.

1241781590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1241781590 is an abundant number, since it is smaller than the sum of its proper divisors (1314276010).

1241781590 is a wasteful number, since it uses less digits than its factorization.

1241781590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10676.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 1241781590 is about 35238.9215215222. The cubic root of 1241781590 is about 1074.8513484736.

The spelling of 1241781590 in words is "one billion, two hundred forty-one million, seven hundred eighty-one thousand, five hundred ninety".