1001051056 has 20 divisors (see below), whose sum is σ = 1950377400. Its totient is φ = 497727872.

The previous prime is 1001051017. The next prime is 1001051063. The reversal of 1001051056 is 6501501001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171901 + ... + 177628.

It is an arithmetic number, because the mean of its divisors is an integer number (97518870).

Almost surely, 2^1001051056 is an apocalyptic number.

1001051056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1001051056 is a deficient number, since it is larger than the sum of its proper divisors (949326344).

1001051056 is a wasteful number, since it uses less digits than its factorization.

1001051056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349716 (or 349710 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 1001051056 is about 31639.3908917349. The cubic root of 1001051056 is about 1000.3502293251.

Adding to 1001051056 its reverse (6501501001), we get a palindrome (7502552057).

The spelling of 1001051056 in words is "one billion, one million, fifty-one thousand, fifty-six".