111225125 has 32 divisors (see below), whose sum is σ = 158056704. Its totient is φ = 77352000.

The previous prime is 111225119. The next prime is 111225131. The reversal of 111225125 is 521522111.

It is an interprime number because it is at equal distance from previous prime (111225119) and next prime (111225131).

It is not a de Polignac number, because 111225125 - 2¹⁶ = 111159589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111225097 and 111225106.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 29867 + ... + 33383.

It is an arithmetic number, because the mean of its divisors is an integer number (4939272).

Almost surely, 2^111225125 is an apocalyptic number.

It is an amenable number.

111225125 is a deficient number, since it is larger than the sum of its proper divisors (46831579).

111225125 is a wasteful number, since it uses less digits than its factorization.

111225125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3566 (or 3556 counting only the distinct ones).

The product of its digits is 200, while the sum is 20.

The square root of 111225125 is about 10546.3323008523. The cubic root of 111225125 is about 480.9142370393.

Adding to 111225125 its reverse (521522111), we get a palindrome (632747236).

The spelling of 111225125 in words is "one hundred eleven million, two hundred twenty-five thousand, one hundred twenty-five".