1041304021 has 8 divisors (see below), whose sum is σ = 1052765784. Its totient is φ = 1029857280.

The previous prime is 1041303997. The next prime is 1041304057. The reversal of 1041304021 is 1204031401.

It can be written as a sum of positive squares in 4 ways, for example, as 111724900 + 929579121 = 10570^2 + 30489^2 .

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 1041304021 - 2⁹ = 1041303509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1041303986 and 1041304004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041304321) 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, 188661 + ... + 194101.

It is an arithmetic number, because the mean of its divisors is an integer number (131595723).

Almost surely, 2^1041304021 is an apocalyptic number.

It is an amenable number.

1041304021 is a deficient number, since it is larger than the sum of its proper divisors (11461763).

1041304021 is an equidigital number, since it uses as much as digits as its factorization.

1041304021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7511.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1041304021 is about 32269.2426468301. The cubic root of 1041304021 is about 1013.5826824511.

Adding to 1041304021 its reverse (1204031401), we get a palindrome (2245335422).

The spelling of 1041304021 in words is "one billion, forty-one million, three hundred four thousand, twenty-one".