1050903881 has 2 divisors, whose sum is σ = 1050903882. Its totient is φ = 1050903880.

The previous prime is 1050903853. The next prime is 1050903883. The reversal of 1050903881 is 1883090501.

1050903881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 834343225 + 216560656 = 28885^2 + 14716^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1050903881 is a prime.

It is a super-2 number, since 2×1050903881² = 2208797934201724322, which contains 22 as substring.

Together with 1050903883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1050903883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525451940 + 525451941.

It is an arithmetic number, because the mean of its divisors is an integer number (525451941).

Almost surely, 2^1050903881 is an apocalyptic number.

It is an amenable number.

1050903881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050903881 is an equidigital number, since it uses as much as digits as its factorization.

1050903881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 1050903881 is about 32417.6476783865. The cubic root of 1050903881 is about 1016.6879243905.

The spelling of 1050903881 in words is "one billion, fifty million, nine hundred three thousand, eight hundred eighty-one".