1003950081 has 12 divisors (see below), whose sum is σ = 1453385700. Its totient is φ = 667806720.

The previous prime is 1003950049. The next prime is 1003950109. The reversal of 1003950081 is 1800593001.

It can be written as a sum of positive squares in 2 ways, for example, as 299843856 + 704106225 = 17316^2 + 26535^2 .

It is not a de Polignac number, because 1003950081 - 2⁵ = 1003950049 is a prime.

It is a super-2 number, since 2×1003950081² = 2015831530279813122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1003950001) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 120180 + ... + 128261.

It is an arithmetic number, because the mean of its divisors is an integer number (121115475).

Almost surely, 2^1003950081 is an apocalyptic number.

It is an amenable number.

1003950081 is a deficient number, since it is larger than the sum of its proper divisors (449435619).

1003950081 is a wasteful number, since it uses less digits than its factorization.

1003950081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248896 (or 248893 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1003950081 is about 31685.1713108830. The cubic root of 1003950081 is about 1001.3149637790.

The spelling of 1003950081 in words is "one billion, three million, nine hundred fifty thousand, eighty-one".