1020987419 has 2 divisors, whose sum is σ = 1020987420. Its totient is φ = 1020987418.

The previous prime is 1020987391. The next prime is 1020987481. The reversal of 1020987419 is 9147890201.

1020987419 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 a cyclic number.

It is not a de Polignac number, because 1020987419 - 2²⁴ = 1004210203 is a prime.

It is a super-2 number, since 2×1020987419² = 2084830619512563122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1020981419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510493709 + 510493710.

It is an arithmetic number, because the mean of its divisors is an integer number (510493710).

Almost surely, 2^1020987419 is an apocalyptic number.

1020987419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020987419 is an equidigital number, since it uses as much as digits as its factorization.

1020987419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 1020987419 is about 31952.8937500189. The cubic root of 1020987419 is about 1006.9474278037.

The spelling of 1020987419 in words is "one billion, twenty million, nine hundred eighty-seven thousand, four hundred nineteen".