1125120232240 has 160 divisors (see below), whose sum is σ = 2722825728000. Its totient is φ = 431902817280.

The previous prime is 1125120232163. The next prime is 1125120232277. The reversal of 1125120232240 is 422320215211.

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, 482262114 + ... + 482264446.

It is an arithmetic number, because the mean of its divisors is an integer number (17017660800).

Almost surely, 2^{1125120232240} is an apocalyptic number.

1125120232240 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 1125120232240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1361412864000).

1125120232240 is an abundant number, since it is smaller than the sum of its proper divisors (1597705495760).

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

1125120232240 is a wasteful number, since it uses less digits than its factorization.

1125120232240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3915 (or 3909 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 1125120232240 its reverse (422320215211), we get a palindrome (1547440447451).

The spelling of 1125120232240 in words is "one trillion, one hundred twenty-five billion, one hundred twenty million, two hundred thirty-two thousand, two hundred forty".