1013140987 has 2 divisors, whose sum is σ = 1013140988. Its totient is φ = 1013140986.

The previous prime is 1013140981. The next prime is 1013140991. The reversal of 1013140987 is 7890413101.

It is a strong prime.

It is an emirp because it is prime and its reverse (7890413101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1013140987 - 2²⁷ = 878923259 is a prime.

It is not a weakly prime, because it can be changed into another prime (1013140981) 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, 506570493 + 506570494.

It is an arithmetic number, because the mean of its divisors is an integer number (506570494).

Almost surely, 2^1013140987 is an apocalyptic number.

1013140987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013140987 is an equidigital number, since it uses as much as digits as its factorization.

1013140987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 1013140987 is about 31829.8756987834. The cubic root of 1013140987 is about 1004.3612805801.

The spelling of 1013140987 in words is "one billion, thirteen million, one hundred forty thousand, nine hundred eighty-seven".