1125401044032 has 126 divisors (see below), whose sum is σ = 3306357738554. Its totient is φ = 365983764480.

The previous prime is 1125401044003. The next prime is 1125401044063. The reversal of 1125401044032 is 2304401045211.

1125401044032 is a `hidden beast` number, since 1 + 1 + 254 + 0 + 1 + 0 + 4 + 403 + 2 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1071645696 + 1124329398336 = 32736^2 + 1060344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1125401043987 and 1125401044005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 387108 + ... + 1549404.

Almost surely, 2^{1125401044032} is an apocalyptic number.

1125401044032 is a gapful number since it is divisible by the number (12) 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 1125401044032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1653178869277).

1125401044032 is an abundant number, since it is smaller than the sum of its proper divisors (2180956694522).

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

1125401044032 is a wasteful number, since it uses less digits than its factorization.

1125401044032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162397 (or 1162343 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 1125401044032 its reverse (2304401045211), we get a palindrome (3429802089243).

The spelling of 1125401044032 in words is "one trillion, one hundred twenty-five billion, four hundred one million, forty-four thousand, thirty-two".