1050021450 has 36 divisors (see below), whose sum is σ = 2821058838. Its totient is φ = 280005600.

The previous prime is 1050021443. The next prime is 1050021481. The reversal of 1050021450 is 541200501.

1050021450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 773896761 + 276124689 = 27819^2 + 16617^2 .

It is a super-2 number, since 2×1050021450² = 2205090090920205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

1050021450 is a modest number, since divided by 21450 gives 1050 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1166241 + ... + 1167140.

Almost surely, 2^1050021450 is an apocalyptic number.

1050021450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1050021450 is an abundant number, since it is smaller than the sum of its proper divisors (1771037388).

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

1050021450 is a wasteful number, since it uses less digits than its factorization.

1050021450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333399 (or 2333391 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1050021450 is about 32404.0344710346. The cubic root of 1050021450 is about 1016.4032779429.

Adding to 1050021450 its reverse (541200501), we get a palindrome (1591221951).

The spelling of 1050021450 in words is "one billion, fifty million, twenty-one thousand, four hundred fifty".