1092445621 has 2 divisors, whose sum is σ = 1092445622. Its totient is φ = 1092445620.

The previous prime is 1092445583. The next prime is 1092445649. The reversal of 1092445621 is 1265442901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 997675396 + 94770225 = 31586^2 + 9735^2 .

It is a cyclic number.

It is not a de Polignac number, because 1092445621 - 2⁷ = 1092445493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1092445681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 546222810 + 546222811.

It is an arithmetic number, because the mean of its divisors is an integer number (546222811).

Almost surely, 2^1092445621 is an apocalyptic number.

It is an amenable number.

1092445621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1092445621 is an equidigital number, since it uses as much as digits as its factorization.

1092445621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1092445621 is about 33052.1651484438. The cubic root of 1092445621 is about 1029.9115835123.

The spelling of 1092445621 in words is "one billion, ninety-two million, four hundred forty-five thousand, six hundred twenty-one".