1121326650 has 36 divisors (see below), whose sum is σ = 3012632142. Its totient is φ = 299020320.

The previous prime is 1121326639. The next prime is 1121326669. The reversal of 1121326650 is 566231211.

1121326650 is a `hidden beast` number, since 1 + 1 + 2 + 1 + 3 + 2 + 6 + 650 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 607080321 + 514246329 = 24639^2 + 22677^2 .

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, 1245469 + ... + 1246368.

Almost surely, 2^1121326650 is an apocalyptic number.

1121326650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121326650 is an abundant number, since it is smaller than the sum of its proper divisors (1891305492).

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

1121326650 is a wasteful number, since it uses less digits than its factorization.

1121326650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491855 (or 2491847 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1121326650 is about 33486.2158208419. The cubic root of 1121326650 is about 1038.9086956208.

Adding to 1121326650 its reverse (566231211), we get a palindrome (1687557861).

The spelling of 1121326650 in words is "one billion, one hundred twenty-one million, three hundred twenty-six thousand, six hundred fifty".