1115120650 has 48 divisors (see below), whose sum is σ = 2410649280. Its totient is φ = 375840000.

The previous prime is 1115120647. The next prime is 1115120651. The reversal of 1115120650 is 560215111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1115120651) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 6351 + ... + 47650.

It is an arithmetic number, because the mean of its divisors is an integer number (50221860).

Almost surely, 2^1115120650 is an apocalyptic number.

1115120650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1115120650 is an abundant number, since it is smaller than the sum of its proper divisors (1295528630).

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

1115120650 is a wasteful number, since it uses less digits than its factorization.

1115120650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54079 (or 54074 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 1115120650 is about 33393.4222564864. The cubic root of 1115120650 is about 1036.9885300118.

Adding to 1115120650 its reverse (560215111), we get a palindrome (1675335761).

The spelling of 1115120650 in words is "one billion, one hundred fifteen million, one hundred twenty thousand, six hundred fifty".