1041046021 has 2 divisors, whose sum is σ = 1041046022. Its totient is φ = 1041046020.

The previous prime is 1041046003. The next prime is 1041046057. The reversal of 1041046021 is 1206401401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 790172100 + 250873921 = 28110^2 + 15839^2 .

It is a cyclic number.

It is not a de Polignac number, because 1041046021 - 2⁷ = 1041045893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1041046021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1041046921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520523010 + 520523011.

It is an arithmetic number, because the mean of its divisors is an integer number (520523011).

Almost surely, 2^1041046021 is an apocalyptic number.

It is an amenable number.

1041046021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1041046021 is an equidigital number, since it uses as much as digits as its factorization.

1041046021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1041046021 is about 32265.2447844426. The cubic root of 1041046021 is about 1013.4989650073.

Adding to 1041046021 its reverse (1206401401), we get a palindrome (2247447422).

The spelling of 1041046021 in words is "one billion, forty-one million, forty-six thousand, twenty-one".