125650605 has 16 divisors (see below), whose sum is σ = 201228480. Its totient is φ = 66951168.

The previous prime is 125650583. The next prime is 125650607. The reversal of 125650605 is 506056521.

It is not a de Polignac number, because 125650605 - 2⁹ = 125650093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125650607) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15981 + ... + 22509.

It is an arithmetic number, because the mean of its divisors is an integer number (12576780).

Almost surely, 2^125650605 is an apocalyptic number.

125650605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125650605 is a deficient number, since it is larger than the sum of its proper divisors (75577875).

125650605 is a wasteful number, since it uses less digits than its factorization.

125650605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7820.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 125650605 is about 11209.3980659088. The cubic root of 125650605 is about 500.8659726502.

The spelling of 125650605 in words is "one hundred twenty-five million, six hundred fifty thousand, six hundred five".