125650061 has 4 divisors (see below), whose sum is σ = 126493500. Its totient is φ = 124806624.

The previous prime is 125650033. The next prime is 125650079. The reversal of 125650061 is 160056521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16760836 + 108889225 = 4094^2 + 10435^2 .

It is a cyclic number.

It is not a de Polignac number, because 125650061 - 2¹⁰ = 125649037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125650061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125650001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421496 + ... + 421793.

It is an arithmetic number, because the mean of its divisors is an integer number (31623375).

Almost surely, 2^125650061 is an apocalyptic number.

It is an amenable number.

125650061 is a deficient number, since it is larger than the sum of its proper divisors (843439).

125650061 is an equidigital number, since it uses as much as digits as its factorization.

125650061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843438.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 125650061 is about 11209.3738005296. The cubic root of 125650061 is about 500.8652498218.

The spelling of 125650061 in words is "one hundred twenty-five million, six hundred fifty thousand, sixty-one".