106720525 has 12 divisors (see below), whose sum is σ = 134148532. Its totient is φ = 84205440.

The previous prime is 106720519. The next prime is 106720541. The reversal of 106720525 is 525027601.

It can be written as a sum of positive squares in 6 ways, for example, as 94249 + 106626276 = 307^2 + 10326^2 .

It is not a de Polignac number, because 106720525 - 2³ = 106720517 is a prime.

It is a super-2 number, since 2×106720525² = 22778540912551250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 106720493 and 106720502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27414 + ... + 31063.

Almost surely, 2^106720525 is an apocalyptic number.

It is an amenable number.

106720525 is a deficient number, since it is larger than the sum of its proper divisors (27428007).

106720525 is an equidigital number, since it uses as much as digits as its factorization.

106720525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58560 (or 58555 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 106720525 is about 10330.5626661862. The cubic root of 106720525 is about 474.3322473120.

The spelling of 106720525 in words is "one hundred six million, seven hundred twenty thousand, five hundred twenty-five".