1020502319 has 2 divisors, whose sum is σ = 1020502320. Its totient is φ = 1020502318.

The previous prime is 1020502313. The next prime is 1020502337. The reversal of 1020502319 is 9132050201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020502319 is a prime.

It is a super-3 number, since 3×1020502319³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1020502294 and 1020502303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020502313) 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, 510251159 + 510251160.

It is an arithmetic number, because the mean of its divisors is an integer number (510251160).

Almost surely, 2^1020502319 is an apocalyptic number.

1020502319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020502319 is an equidigital number, since it uses as much as digits as its factorization.

1020502319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1020502319 is about 31945.3019863641. The cubic root of 1020502319 is about 1006.7879261387.

The spelling of 1020502319 in words is "one billion, twenty million, five hundred two thousand, three hundred nineteen".