1020029999 has 2 divisors, whose sum is σ = 1020030000. Its totient is φ = 1020029998.

The previous prime is 1020029993. The next prime is 1020030001. The reversal of 1020029999 is 9999200201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020029999 - 2⁸ = 1020029743 is a prime.

It is a super-2 number, since 2×1020029999² = 2080922397719880002, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1020030001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020029993) 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, 510014999 + 510015000.

It is an arithmetic number, because the mean of its divisors is an integer number (510015000).

Almost surely, 2^1020029999 is an apocalyptic number.

1020029999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020029999 is an equidigital number, since it uses as much as digits as its factorization.

1020029999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 41.

The square root of 1020029999 is about 31937.9084944522. The cubic root of 1020029999 is about 1006.6325779845.

The spelling of 1020029999 in words is "one billion, twenty million, twenty-nine thousand, nine hundred ninety-nine".