1123972864960 has 224 divisors, whose sum is σ = 3093486888960. Its totient is φ = 384431308800.

The previous prime is 1123972864853. The next prime is 1123972864961. The reversal of 1123972864960 is 694682793211.

It is a junction number, because it is equal to n+sod(n) for n = 1123972864895 and 1123972864904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123972864961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111955621 + ... + 111965659.

Almost surely, 2^{1123972864960} is an apocalyptic number.

1123972864960 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 1123972864960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1546743444480).

1123972864960 is an abundant number, since it is smaller than the sum of its proper divisors (1969514024000).

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

1123972864960 is a wasteful number, since it uses less digits than its factorization.

1123972864960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11955 (or 11945 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 1123972864960 in words is "one trillion, one hundred twenty-three billion, nine hundred seventy-two million, eight hundred sixty-four thousand, nine hundred sixty".