109742625 has 24 divisors (see below), whose sum is σ = 197831400. Its totient is φ = 58528800.

The previous prime is 109742597. The next prime is 109742639. The reversal of 109742625 is 526247901.

It can be written as a sum of positive squares in 4 ways, for example, as 12680721 + 97061904 = 3561^2 + 9852^2 .

It is not a de Polignac number, because 109742625 - 2¹⁰ = 109741601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109742625.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47650 + ... + 49899.

It is an arithmetic number, because the mean of its divisors is an integer number (8242975).

Almost surely, 2^109742625 is an apocalyptic number.

109742625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109742625 is a deficient number, since it is larger than the sum of its proper divisors (88088775).

109742625 is an equidigital number, since it uses as much as digits as its factorization.

109742625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97570 (or 97557 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 109742625 is about 10475.8114244196. The cubic root of 109742625 is about 478.7679994233.

The spelling of 109742625 in words is "one hundred nine million, seven hundred forty-two thousand, six hundred twenty-five".