1050020101 has 8 divisors (see below), whose sum is σ = 1146282200. Its totient is φ = 955971072.

The previous prime is 1050020089. The next prime is 1050020119. The reversal of 1050020101 is 1010200501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 142444225 + 907575876 = 11935^2 + 30126^2 .

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 1050020101 - 2⁹ = 1050019589 is a prime.

It is a super-2 number, since 2×1050020101² = 2205084425008100402, 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 (1050020171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552276 + ... + 554173.

It is an arithmetic number, because the mean of its divisors is an integer number (143285275).

Almost surely, 2^1050020101 is an apocalyptic number.

It is an amenable number.

1050020101 is a deficient number, since it is larger than the sum of its proper divisors (96262099).

1050020101 is a wasteful number, since it uses less digits than its factorization.

1050020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106535.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 1050020101 is about 32404.0136557186. The cubic root of 1050020101 is about 1016.4028426729.

Adding to 1050020101 its reverse (1010200501), we get a palindrome (2060220602).

The spelling of 1050020101 in words is "one billion, fifty million, twenty thousand, one hundred one".