111729425 has 12 divisors (see below), whose sum is σ = 143014656. Its totient is φ = 86499600.

The previous prime is 111729407. The next prime is 111729439. The reversal of 111729425 is 524927111.

It is not a de Polignac number, because 111729425 - 2⁶ = 111729361 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 111729391 and 111729400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71309 + ... + 72858.

It is an arithmetic number, because the mean of its divisors is an integer number (11917888).

Almost surely, 2^111729425 is an apocalyptic number.

It is an amenable number.

111729425 is a deficient number, since it is larger than the sum of its proper divisors (31285231).

111729425 is a wasteful number, since it uses less digits than its factorization.

111729425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144208 (or 144203 counting only the distinct ones).

The product of its digits is 5040, while the sum is 32.

The square root of 111729425 is about 10570.2140470286. The cubic root of 111729425 is about 481.6399706365.

The spelling of 111729425 in words is "one hundred eleven million, seven hundred twenty-nine thousand, four hundred twenty-five".