1125030012 has 48 divisors (see below), whose sum is σ = 2786827680. Its totient is φ = 352018432.

The previous prime is 1125030001. The next prime is 1125030017. The reversal of 1125030012 is 2100305211.

It is a junction number, because it is equal to n+sod(n) for n = 1125029973 and 1125030000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125030017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72268 + ... + 86444.

It is an arithmetic number, because the mean of its divisors is an integer number (58058910).

Almost surely, 2^1125030012 is an apocalyptic number.

1125030012 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 1125030012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1393413840).

1125030012 is an abundant number, since it is smaller than the sum of its proper divisors (1661797668).

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

1125030012 is a wasteful number, since it uses less digits than its factorization.

1125030012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14590 (or 14588 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1125030012 is about 33541.4670519940. The cubic root of 1125030012 is about 1040.0511599586.

Adding to 1125030012 its reverse (2100305211), we get a palindrome (3225335223).

The spelling of 1125030012 in words is "one billion, one hundred twenty-five million, thirty thousand, twelve".