1043405087 has 2 divisors, whose sum is σ = 1043405088. Its totient is φ = 1043405086.

The previous prime is 1043405081. The next prime is 1043405149. The reversal of 1043405087 is 7805043401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1043405087 - 2¹⁶ = 1043339551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043405081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521702543 + 521702544.

It is an arithmetic number, because the mean of its divisors is an integer number (521702544).

Almost surely, 2^1043405087 is an apocalyptic number.

1043405087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043405087 is an equidigital number, since it uses as much as digits as its factorization.

1043405087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 1043405087 is about 32301.7814833795. The cubic root of 1043405087 is about 1014.2639351092.

Adding to 1043405087 its reverse (7805043401), we get a palindrome (8848448488).

The spelling of 1043405087 in words is "one billion, forty-three million, four hundred five thousand, eighty-seven".