1123457360 has 80 divisors (see below), whose sum is σ = 2704350720. Its totient is φ = 433589760.

The previous prime is 1123457339. The next prime is 1123457369. The reversal of 1123457360 is 637543211.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123457369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1519871 + ... + 1520609.

It is an arithmetic number, because the mean of its divisors is an integer number (33804384).

Almost surely, 2^1123457360 is an apocalyptic number.

1123457360 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 1123457360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1352175360).

1123457360 is an abundant number, since it is smaller than the sum of its proper divisors (1580893360).

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

1123457360 is a wasteful number, since it uses less digits than its factorization.

1123457360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396 (or 1390 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 1123457360 is about 33518.0154543792. The cubic root of 1123457360 is about 1039.5663132578.

The spelling of 1123457360 in words is "one billion, one hundred twenty-three million, four hundred fifty-seven thousand, three hundred sixty".