1020498599 has 2 divisors, whose sum is σ = 1020498600. Its totient is φ = 1020498598.

The previous prime is 1020498571. The next prime is 1020498629. The reversal of 1020498599 is 9958940201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020498599 - 2⁸ = 1020498343 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020498299) 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, 510249299 + 510249300.

It is an arithmetic number, because the mean of its divisors is an integer number (510249300).

Almost surely, 2^1020498599 is an apocalyptic number.

1020498599 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020498599 is an equidigital number, since it uses as much as digits as its factorization.

1020498599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 47.

The square root of 1020498599 is about 31945.2437617871. The cubic root of 1020498599 is about 1006.7867028014.

The spelling of 1020498599 in words is "one billion, twenty million, four hundred ninety-eight thousand, five hundred ninety-nine".