1044868987 has 2 divisors, whose sum is σ = 1044868988. Its totient is φ = 1044868986.

The previous prime is 1044868973. The next prime is 1044868991. The reversal of 1044868987 is 7898684401.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1044868987 - 2¹⁹ = 1044344699 is a prime.

It is not a weakly prime, because it can be changed into another prime (1044868787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522434493 + 522434494.

It is an arithmetic number, because the mean of its divisors is an integer number (522434494).

Almost surely, 2^1044868987 is an apocalyptic number.

1044868987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044868987 is an equidigital number, since it uses as much as digits as its factorization.

1044868987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3096576, while the sum is 55.

The square root of 1044868987 is about 32324.4332819618. The cubic root of 1044868987 is about 1014.7380517458.

The spelling of 1044868987 in words is "one billion, forty-four million, eight hundred sixty-eight thousand, nine hundred eighty-seven".