1050543021 has 8 divisors (see below), whose sum is σ = 1528062624. Its totient is φ = 636692720.

The previous prime is 1050543007. The next prime is 1050543023. The reversal of 1050543021 is 1203450501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1050543021 - 2¹⁴ = 1050526637 is a prime.

It is a super-2 number, since 2×1050543021² = 2207281277943612882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050543023) 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 7 ways as a sum of consecutive naturals, for example, 15917286 + ... + 15917351.

It is an arithmetic number, because the mean of its divisors is an integer number (191007828).

Almost surely, 2^1050543021 is an apocalyptic number.

1050543021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1050543021 is a deficient number, since it is larger than the sum of its proper divisors (477519603).

1050543021 is a wasteful number, since it uses less digits than its factorization.

1050543021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31834651.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1050543021 is about 32412.0814049329. The cubic root of 1050543021 is about 1016.5715407667.

Adding to 1050543021 its reverse (1203450501), we get a palindrome (2253993522).

The spelling of 1050543021 in words is "one billion, fifty million, five hundred forty-three thousand, twenty-one".