1041319781 has 4 divisors (see below), whose sum is σ = 1041996192. Its totient is φ = 1040643372.

The previous prime is 1041319771. The next prime is 1041319801. The reversal of 1041319781 is 1879131401.

1041319781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1041319781 is a prime.

It is a super-2 number, since 2×1041319781² = 2168693772603775922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041319771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335891 + ... + 338976.

It is an arithmetic number, because the mean of its divisors is an integer number (260499048).

Almost surely, 2^1041319781 is an apocalyptic number.

It is an amenable number.

1041319781 is a deficient number, since it is larger than the sum of its proper divisors (676411).

1041319781 is an equidigital number, since it uses as much as digits as its factorization.

1041319781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676410.

The product of its (nonzero) digits is 6048, while the sum is 35.

The square root of 1041319781 is about 32269.4868412871. The cubic root of 1041319781 is about 1013.5877959057.

The spelling of 1041319781 in words is "one billion, forty-one million, three hundred nineteen thousand, seven hundred eighty-one".