106042725 has 18 divisors (see below), whose sum is σ = 189934706. Its totient is φ = 56556000.

The previous prime is 106042693. The next prime is 106042751. The reversal of 106042725 is 527240601.

106042725 is a `hidden beast` number, since 10 + 604 + 27 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1205604 + 104837121 = 1098^2 + 10239^2 .

It is not a de Polignac number, because 106042725 - 2⁵ = 106042693 is a prime.

It is a super-2 number, since 2×106042725² = 22490119050851250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 235426 + ... + 235875.

Almost surely, 2^106042725 is an apocalyptic number.

106042725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

106042725 is a deficient number, since it is larger than the sum of its proper divisors (83891981).

106042725 is a wasteful number, since it uses less digits than its factorization.

106042725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471317 (or 471309 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 106042725 is about 10297.7048413712. The cubic root of 106042725 is about 473.3259259018.

The spelling of 106042725 in words is "one hundred six million, forty-two thousand, seven hundred twenty-five".