1111125012 has 12 divisors (see below), whose sum is σ = 2592625056. Its totient is φ = 370375000.

The previous prime is 1111125011. The next prime is 1111125013. The reversal of 1111125012 is 2105211111.

It is an interprime number because it is at equal distance from previous prime (1111125011) and next prime (1111125013).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1111124982 and 1111125000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111125011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46296864 + ... + 46296887.

It is an arithmetic number, because the mean of its divisors is an integer number (216052088).

Almost surely, 2^1111125012 is an apocalyptic number.

1111125012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111125012 is an abundant number, since it is smaller than the sum of its proper divisors (1481500044).

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

1111125012 is a wasteful number, since it uses less digits than its factorization.

1111125012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92593758 (or 92593756 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 15.

The square root of 1111125012 is about 33333.5418460145. The cubic root of 1111125012 is about 1035.7484879627.

Adding to 1111125012 its reverse (2105211111), we get a palindrome (3216336123).

The spelling of 1111125012 in words is "one billion, one hundred eleven million, one hundred twenty-five thousand, twelve".