1050020999 has 8 divisors (see below), whose sum is σ = 1092056592. Its totient is φ = 1008786240.

The previous prime is 1050020989. The next prime is 1050021041. The reversal of 1050020999 is 9990200501.

1050020999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1050020999 - 2¹⁶ = 1049955463 is a prime.

It is a super-2 number, since 2×1050020999² = 2205088196681916002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050020969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197534 + ... + 202779.

It is an arithmetic number, because the mean of its divisors is an integer number (136507074).

Almost surely, 2^1050020999 is an apocalyptic number.

1050020999 is a deficient number, since it is larger than the sum of its proper divisors (42035593).

1050020999 is an equidigital number, since it uses as much as digits as its factorization.

1050020999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400417.

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 1050020999 is about 32404.0275120239. The cubic root of 1050020999 is about 1016.4031324227.

It can be divided in two parts, 10500 and 20999, that multiplied together give a triangular number (220489500 = T₂₀₉₉₉).

The spelling of 1050020999 in words is "one billion, fifty million, twenty thousand, nine hundred ninety-nine".