1045205027 has 2 divisors, whose sum is σ = 1045205028. Its totient is φ = 1045205026.

The previous prime is 1045205009. The next prime is 1045205041. The reversal of 1045205027 is 7205025401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1045205027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1045204987 and 1045205005.

It is not a weakly prime, because it can be changed into another prime (1045205627) 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, 522602513 + 522602514.

It is an arithmetic number, because the mean of its divisors is an integer number (522602514).

Almost surely, 2^1045205027 is an apocalyptic number.

1045205027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045205027 is an equidigital number, since it uses as much as digits as its factorization.

1045205027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 1045205027 is about 32329.6307897260. The cubic root of 1045205027 is about 1014.8468232857.

The spelling of 1045205027 in words is "one billion, forty-five million, two hundred five thousand, twenty-seven".