1054009987 has 2 divisors, whose sum is σ = 1054009988. Its totient is φ = 1054009986.

The previous prime is 1054009969. The next prime is 1054010039. The reversal of 1054009987 is 7899004501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1054009987 is a prime.

It is a super-2 number, since 2×1054009987² = 2221874105391480338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1054009907) 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, 527004993 + 527004994.

It is an arithmetic number, because the mean of its divisors is an integer number (527004994).

Almost surely, 2^1054009987 is an apocalyptic number.

1054009987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1054009987 is an equidigital number, since it uses as much as digits as its factorization.

1054009987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 1054009987 is about 32465.5199711941. The cubic root of 1054009987 is about 1017.6885976714.

The spelling of 1054009987 in words is "one billion, fifty-four million, nine thousand, nine hundred eighty-seven".