1050021050 has 48 divisors (see below), whose sum is σ = 2132181240. Its totient is φ = 382371840.

The previous prime is 1050021043. The next prime is 1050021097. The reversal of 1050021050 is 501200501.

It can be written as a sum of positive squares in 12 ways, for example, as 145274809 + 904746241 = 12053^2 + 30079^2 .

It is a super-2 number, since 2×1050021050² = 2205088410886205000, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36386 + ... + 58514.

Almost surely, 2^1050021050 is an apocalyptic number.

1050021050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1050021050 is an abundant number, since it is smaller than the sum of its proper divisors (1082160190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1050021050 is a wasteful number, since it uses less digits than its factorization.

1050021050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22227 (or 22222 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 1050021050 is about 32404.0282989631. The cubic root of 1050021050 is about 1016.4031488785.

Adding to 1050021050 its reverse (501200501), we get a palindrome (1551221551).

The spelling of 1050021050 in words is "one billion, fifty million, twenty-one thousand, fifty".