1043053021 has 8 divisors (see below), whose sum is σ = 1067786720. Its totient is φ = 1018341072.

The previous prime is 1043052991. The next prime is 1043053031. The reversal of 1043053021 is 1203503401.

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 1043053021 - 2¹¹ = 1043050973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1043053021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043053031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132175 + ... + 139843.

It is an arithmetic number, because the mean of its divisors is an integer number (133473340).

Almost surely, 2^1043053021 is an apocalyptic number.

It is an amenable number.

1043053021 is a deficient number, since it is larger than the sum of its proper divisors (24733699).

1043053021 is an equidigital number, since it uses as much as digits as its factorization.

1043053021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10875.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1043053021 is about 32296.3313860878. The cubic root of 1043053021 is about 1014.1498445476.

Adding to 1043053021 its reverse (1203503401), we get a palindrome (2246556422).

The spelling of 1043053021 in words is "one billion, forty-three million, fifty-three thousand, twenty-one".