1050138450 has 72 divisors (see below), whose sum is σ = 2987356788. Its totient is φ = 263562240.

The previous prime is 1050138413. The next prime is 1050138473. The reversal of 1050138450 is 548310501.

It can be written as a sum of positive squares in 6 ways, for example, as 805935321 + 244203129 = 28389^2 + 15627^2 .

It is a super-2 number, since 2×1050138450² = 2205581528336805000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 60987 + ... + 76286.

Almost surely, 2^1050138450 is an apocalyptic number.

1050138450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1050138450 is an abundant number, since it is smaller than the sum of its proper divisors (1937218338).

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

1050138450 is a wasteful number, since it uses less digits than its factorization.

1050138450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137308 (or 137300 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 1050138450 is about 32405.8397515016. The cubic root of 1050138450 is about 1016.4410278914.

Adding to 1050138450 its reverse (548310501), we get a palindrome (1598448951).

The spelling of 1050138450 in words is "one billion, fifty million, one hundred thirty-eight thousand, four hundred fifty".