1000987441 has 2 divisors, whose sum is σ = 1000987442. Its totient is φ = 1000987440.

The previous prime is 1000987417. The next prime is 1000987447. The reversal of 1000987441 is 1447890001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 935442225 + 65545216 = 30585^2 + 8096^2 .

It is an emirp because it is prime and its reverse (1447890001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1000987441 - 2¹¹ = 1000985393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000987397 and 1000987406.

It is not a weakly prime, because it can be changed into another prime (1000987447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500493720 + 500493721.

It is an arithmetic number, because the mean of its divisors is an integer number (500493721).

Almost surely, 2^1000987441 is an apocalyptic number.

It is an amenable number.

1000987441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000987441 is an equidigital number, since it uses as much as digits as its factorization.

1000987441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 1000987441 is about 31638.3855624777. The cubic root of 1000987441 is about 1000.3290387216.

The spelling of 1000987441 in words is "one billion, nine hundred eighty-seven thousand, four hundred forty-one".