1011043987 has 2 divisors, whose sum is σ = 1011043988. Its totient is φ = 1011043986.

The previous prime is 1011043973. The next prime is 1011044011. The reversal of 1011043987 is 7893401101.

1011043987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (7893401101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011043987 is a prime.

It is a super-3 number, since 3×1011043987³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1011043927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505521993 + 505521994.

It is an arithmetic number, because the mean of its divisors is an integer number (505521994).

Almost surely, 2^1011043987 is an apocalyptic number.

1011043987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011043987 is an equidigital number, since it uses as much as digits as its factorization.

1011043987 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 1011043987 is about 31796.9178852291. The cubic root of 1011043987 is about 1003.6678593596.

The spelling of 1011043987 in words is "one billion, eleven million, forty-three thousand, nine hundred eighty-seven".