1121216050 has 24 divisors (see below), whose sum is σ = 2090699892. Its totient is φ = 447360000.

The previous prime is 1121216039. The next prime is 1121216081. The reversal of 1121216050 is 506121211.

It can be written as a sum of positive squares in 6 ways, for example, as 1049695201 + 71520849 = 32399^2 + 8457^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 7911 + ... + 48010.

Almost surely, 2^1121216050 is an apocalyptic number.

1121216050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121216050 is a deficient number, since it is larger than the sum of its proper divisors (969483842).

1121216050 is a wasteful number, since it uses less digits than its factorization.

1121216050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56334 (or 56329 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1121216050 is about 33484.5643543409. The cubic root of 1121216050 is about 1038.8745375458.

Adding to 1121216050 its reverse (506121211), we get a palindrome (1627337261).

The spelling of 1121216050 in words is "one billion, one hundred twenty-one million, two hundred sixteen thousand, fifty".