1123978760 has 32 divisors (see below), whose sum is σ = 2539555200. Its totient is φ = 447706560.

The previous prime is 1123978703. The next prime is 1123978787. The reversal of 1123978760 is 678793211.

It is a super-2 number, since 2×1123978760² = 2526656505862275200, which contains 22 as substring.

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49226 + ... + 68345.

It is an arithmetic number, because the mean of its divisors is an integer number (79361100).

Almost surely, 2^1123978760 is an apocalyptic number.

1123978760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123978760 is an abundant number, since it is smaller than the sum of its proper divisors (1415576440).

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

1123978760 is a wasteful number, since it uses less digits than its factorization.

1123978760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117821 (or 117817 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 1123978760 is about 33525.7924589412. The cubic root of 1123978760 is about 1039.7271103543.

The spelling of 1123978760 in words is "one billion, one hundred twenty-three million, nine hundred seventy-eight thousand, seven hundred sixty".