125706173 has 2 divisors, whose sum is σ = 125706174. Its totient is φ = 125706172.

The previous prime is 125706149. The next prime is 125706241. The reversal of 125706173 is 371607521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119290084 + 6416089 = 10922^2 + 2533^2 .

It is a cyclic number.

It is not a de Polignac number, because 125706173 - 2⁸ = 125705917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125706473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62853086 + 62853087.

It is an arithmetic number, because the mean of its divisors is an integer number (62853087).

Almost surely, 2^125706173 is an apocalyptic number.

It is an amenable number.

125706173 is a deficient number, since it is larger than the sum of its proper divisors (1).

125706173 is an equidigital number, since it uses as much as digits as its factorization.

125706173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 125706173 is about 11211.8764263615. The cubic root of 125706173 is about 500.9397964585.

The spelling of 125706173 in words is "one hundred twenty-five million, seven hundred six thousand, one hundred seventy-three".