1021041433 has 4 divisors (see below), whose sum is σ = 1038347280. Its totient is φ = 1003735588.

The previous prime is 1021041431. The next prime is 1021041443. The reversal of 1021041433 is 3341401201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1021041433 - 2¹ = 1021041431 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 1021041433.

It is not an unprimeable number, because it can be changed into a prime (1021041431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8652835 + ... + 8652952.

It is an arithmetic number, because the mean of its divisors is an integer number (259586820).

Almost surely, 2^1021041433 is an apocalyptic number.

It is an amenable number.

1021041433 is a deficient number, since it is larger than the sum of its proper divisors (17305847).

1021041433 is an equidigital number, since it uses as much as digits as its factorization.

1021041433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17305846.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1021041433 is about 31953.7389518034. The cubic root of 1021041433 is about 1006.9651845681.

Adding to 1021041433 its reverse (3341401201), we get a palindrome (4362442634).

The spelling of 1021041433 in words is "one billion, twenty-one million, forty-one thousand, four hundred thirty-three".