1121549760 has 224 divisors, whose sum is σ = 3979468800. Its totient is φ = 297354240.

The previous prime is 1121549731. The next prime is 1121549771. The reversal of 1121549760 is 679451211.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2341201 + ... + 2341679.

Almost surely, 2^1121549760 is an apocalyptic number.

1121549760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121549760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1989734400).

1121549760 is an abundant number, since it is smaller than the sum of its proper divisors (2857919040).

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

1121549760 is a wasteful number, since it uses less digits than its factorization.

1121549760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 1121549760 is about 33489.5470259005. The cubic root of 1121549760 is about 1038.9775948269.

The spelling of 1121549760 in words is "one billion, one hundred twenty-one million, five hundred forty-nine thousand, seven hundred sixty".