109006725 has 24 divisors (see below), whose sum is σ = 180594592. Its totient is φ = 58017600.

The previous prime is 109006717. The next prime is 109006759. The reversal of 109006725 is 527600901.

It is not a de Polignac number, because 109006725 - 2³ = 109006717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109006692 and 109006701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44790 + ... + 47160.

Almost surely, 2^109006725 is an apocalyptic number.

109006725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109006725 is a deficient number, since it is larger than the sum of its proper divisors (71587867).

109006725 is a wasteful number, since it uses less digits than its factorization.

109006725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997 (or 2992 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 109006725 is about 10440.6285730314. The cubic root of 109006725 is about 477.6954418641.

The spelling of 109006725 in words is "one hundred nine million, six thousand, seven hundred twenty-five".