1041604621 has 4 divisors (see below), whose sum is σ = 1044954144. Its totient is φ = 1038255100.

The previous prime is 1041604607. The next prime is 1041604633. The reversal of 1041604621 is 1264061401.

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 an emirpimes, since its reverse is a distinct semiprime: 1264061401 = 17 ⋅74356553.

It is a cyclic number.

It is not a de Polignac number, because 1041604621 - 2⁵ = 1041604589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041604021) 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 in 3 ways as a sum of consecutive naturals, for example, 1674295 + ... + 1674916.

It is an arithmetic number, because the mean of its divisors is an integer number (261238536).

Almost surely, 2^1041604621 is an apocalyptic number.

It is an amenable number.

1041604621 is a deficient number, since it is larger than the sum of its proper divisors (3349523).

1041604621 is an equidigital number, since it uses as much as digits as its factorization.

1041604621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349522.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1041604621 is about 32273.8999967466. The cubic root of 1041604621 is about 1013.6802055678.

The spelling of 1041604621 in words is "one billion, forty-one million, six hundred four thousand, six hundred twenty-one".