1047887441 has 2 divisors, whose sum is σ = 1047887442. Its totient is φ = 1047887440.

The previous prime is 1047887417. The next prime is 1047887447. The reversal of 1047887441 is 1447887401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1041933841 + 5953600 = 32279^2 + 2440^2 .

It is an emirp because it is prime and its reverse (1447887401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1047887441 - 2¹⁴ = 1047871057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1047887392 and 1047887401.

It is not a weakly prime, because it can be changed into another prime (1047887447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523943720 + 523943721.

It is an arithmetic number, because the mean of its divisors is an integer number (523943721).

Almost surely, 2^1047887441 is an apocalyptic number.

It is an amenable number.

1047887441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047887441 is an equidigital number, since it uses as much as digits as its factorization.

1047887441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200704, while the sum is 44.

The square root of 1047887441 is about 32371.0895862342. The cubic root of 1047887441 is about 1015.7142492248.

The spelling of 1047887441 in words is "one billion, forty-seven million, eight hundred eighty-seven thousand, four hundred forty-one".