1020280519 has 2 divisors, whose sum is σ = 1020280520. Its totient is φ = 1020280518.

The previous prime is 1020280493. The next prime is 1020280589. The reversal of 1020280519 is 9150820201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020280519 - 2¹¹ = 1020278471 is a prime.

It is a super-2 number, since 2×1020280519² = 2081944674901818722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020280589) 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, 510140259 + 510140260.

It is an arithmetic number, because the mean of its divisors is an integer number (510140260).

Almost surely, 2^1020280519 is an apocalyptic number.

1020280519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020280519 is an equidigital number, since it uses as much as digits as its factorization.

1020280519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1020280519 is about 31941.8302387324. The cubic root of 1020280519 is about 1006.7149811005.

The spelling of 1020280519 in words is "one billion, twenty million, two hundred eighty thousand, five hundred nineteen".