1021163041 has 4 divisors (see below), whose sum is σ = 1021231152. Its totient is φ = 1021094932.

The previous prime is 1021163023. The next prime is 1021163047. The reversal of 1021163041 is 1403611201.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1403611201 = 22807 ⋅61543.

It is a cyclic number.

It is not a de Polignac number, because 1021163041 - 2⁷ = 1021162913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021163047) 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 3 ways as a sum of consecutive naturals, for example, 631 + ... + 45196.

It is an arithmetic number, because the mean of its divisors is an integer number (255307788).

Almost surely, 2^1021163041 is an apocalyptic number.

It is an amenable number.

1021163041 is a deficient number, since it is larger than the sum of its proper divisors (68111).

1021163041 is an equidigital number, since it uses as much as digits as its factorization.

1021163041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68110.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1021163041 is about 31955.6417710551. The cubic root of 1021163041 is about 1007.0051601450.

Adding to 1021163041 its reverse (1403611201), we get a palindrome (2424774242).

The spelling of 1021163041 in words is "one billion, twenty-one million, one hundred sixty-three thousand, forty-one".