1012572647 has 2 divisors, whose sum is σ = 1012572648. Its totient is φ = 1012572646.

The previous prime is 1012572637. The next prime is 1012572679. The reversal of 1012572647 is 7462752101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012572647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012572607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506286323 + 506286324.

It is an arithmetic number, because the mean of its divisors is an integer number (506286324).

Almost surely, 2^1012572647 is an apocalyptic number.

1012572647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012572647 is an equidigital number, since it uses as much as digits as its factorization.

1012572647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 1012572647 is about 31820.9466703931. The cubic root of 1012572647 is about 1004.1734404973.

The spelling of 1012572647 in words is "one billion, twelve million, five hundred seventy-two thousand, six hundred forty-seven".