1050681021 has 16 divisors (see below), whose sum is σ = 1514554944. Its totient is φ = 644050944.

The previous prime is 1050680989. The next prime is 1050681029. The reversal of 1050681021 is 1201860501.

It is not a de Polignac number, because 1050681021 - 2⁵ = 1050680989 is a prime.

It is a super-2 number, since 2×1050681021² = 2207861215779204882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1050680982 and 1050681000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050681029) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 42391 + ... + 62436.

It is an arithmetic number, because the mean of its divisors is an integer number (94659684).

Almost surely, 2^1050681021 is an apocalyptic number.

It is an amenable number.

1050681021 is a deficient number, since it is larger than the sum of its proper divisors (463873923).

1050681021 is a wasteful number, since it uses less digits than its factorization.

1050681021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105100.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 1050681021 is about 32414.2101708495. The cubic root of 1050681021 is about 1016.6160513127.

The spelling of 1050681021 in words is "one billion, fifty million, six hundred eighty-one thousand, twenty-one".