1047247547 has 2 divisors, whose sum is σ = 1047247548. Its totient is φ = 1047247546.

The previous prime is 1047247541. The next prime is 1047247589. The reversal of 1047247547 is 7457427401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1047247547 - 2⁶ = 1047247483 is a prime.

It is not a weakly prime, because it can be changed into another prime (1047247541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523623773 + 523623774.

It is an arithmetic number, because the mean of its divisors is an integer number (523623774).

Almost surely, 2^1047247547 is an apocalyptic number.

1047247547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047247547 is an equidigital number, since it uses as much as digits as its factorization.

1047247547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 219520, while the sum is 41.

The square root of 1047247547 is about 32361.2043502710. The cubic root of 1047247547 is about 1015.5074579955.

The spelling of 1047247547 in words is "one billion, forty-seven million, two hundred forty-seven thousand, five hundred forty-seven".