1121660650 has 24 divisors (see below), whose sum is σ = 2275952544. Its totient is φ = 407876400.

The previous prime is 1121660641. The next prime is 1121660653. The reversal of 1121660650 is 560661211.

1121660650 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1121660650² = 2516245227516845000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121660653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1019142 + ... + 1020241.

It is an arithmetic number, because the mean of its divisors is an integer number (94831356).

Almost surely, 2^1121660650 is an apocalyptic number.

1121660650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121660650 is an abundant number, since it is smaller than the sum of its proper divisors (1154291894).

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

1121660650 is a wasteful number, since it uses less digits than its factorization.

1121660650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039406 (or 2039401 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1121660650 is about 33491.2025761990. The cubic root of 1121660650 is about 1039.0118356701.

The spelling of 1121660650 in words is "one billion, one hundred twenty-one million, six hundred sixty thousand, six hundred fifty".