1125012105120 has 96 divisors (see below), whose sum is σ = 3545431283520. Its totient is φ = 299864125440.

The previous prime is 1125012105089. The next prime is 1125012105181. The reversal of 1125012105120 is 215012105211.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494991 + ... + 1579569.

It is an arithmetic number, because the mean of its divisors is an integer number (36931575870).

Almost surely, 2^{1125012105120} is an apocalyptic number.

1125012105120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1125012105120 is an abundant number, since it is smaller than the sum of its proper divisors (2420419178400).

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

1125012105120 is a wasteful number, since it uses less digits than its factorization.

1125012105120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086758 (or 1086750 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 21.

Subtracting from 1125012105120 its reverse (215012105211), we obtain a palindrome (909999999909).

The spelling of 1125012105120 in words is "one trillion, one hundred twenty-five billion, twelve million, one hundred five thousand, one hundred twenty".