125661773 has 8 divisors (see below), whose sum is σ = 133205760. Its totient is φ = 118134720.

The previous prime is 125661749. The next prime is 125661791. The reversal of 125661773 is 377166521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125661773 - 2⁶ = 125661709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125661703) 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 7 ways as a sum of consecutive naturals, for example, 13118 + ... + 20576.

It is an arithmetic number, because the mean of its divisors is an integer number (16650720).

Almost surely, 2^125661773 is an apocalyptic number.

It is an amenable number.

125661773 is a deficient number, since it is larger than the sum of its proper divisors (7543987).

125661773 is an equidigital number, since it uses as much as digits as its factorization.

125661773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8467.

The product of its digits is 52920, while the sum is 38.

The square root of 125661773 is about 11209.8962082617. The cubic root of 125661773 is about 500.8808114313.

The spelling of 125661773 in words is "one hundred twenty-five million, six hundred sixty-one thousand, seven hundred seventy-three".