1129718145924 has 75 divisors (see below), whose sum is σ = 2965510133047. Its totient is φ = 376572715308.

The previous prime is 1129718145893. The next prime is 1129718145929. The reversal of 1129718145924 is 4295418179211.

The square root of 1129718145924 is 1062882.

It is a perfect power (a square), and thus also a powerful number.

1129718145924 is a `hidden beast` number, since 1 + 1 + 2 + 9 + 7 + 181 + 459 + 2 + 4 = 666.

It is an ABA number since it can be written as A⋅B^A, here for A=4, B=729.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Duffinian number.

Its product of digits (1451520) is a multiple of the sum of its prime divisors (5).

It is a nialpdrome in base 3 and base 9.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (1129718145929) by changing a digit.

It is a polite number, since it can be written in 24 ways as a sum of consecutive naturals, for example, 376572715307 + 376572715308 + 376572715309.

Almost surely, 2^{1129718145924} is an apocalyptic number.

1129718145924 is the 1062882-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1129718145924

1129718145924 is an abundant number, since it is smaller than the sum of its proper divisors (1835791987123).

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

1129718145924 is an frugal number, since it uses more digits than its factorization.

1129718145924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 5 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 54.

Multiplying 1129718145924 by its sum of digits (54), we get a cube (61004779879896 = 39366³).

The spelling of 1129718145924 in words is "one trillion, one hundred twenty-nine billion, seven hundred eighteen million, one hundred forty-five thousand, nine hundred twenty-four".