1121488548 has 12 divisors (see below), whose sum is σ = 2616806640. Its totient is φ = 373829512.

The previous prime is 1121488517. The next prime is 1121488567. The reversal of 1121488548 is 8458841211.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 46728678 + ... + 46728701.

It is an arithmetic number, because the mean of its divisors is an integer number (218067220).

Almost surely, 2^1121488548 is an apocalyptic number.

It is an amenable number.

1121488548 is an abundant number, since it is smaller than the sum of its proper divisors (1495318092).

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

1121488548 is a wasteful number, since it uses less digits than its factorization.

1121488548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93457386 (or 93457384 counting only the distinct ones).

The product of its digits is 81920, while the sum is 42.

The square root of 1121488548 is about 33488.6331163277. The cubic root of 1121488548 is about 1038.9586926923.

The spelling of 1121488548 in words is "one billion, one hundred twenty-one million, four hundred eighty-eight thousand, five hundred forty-eight".