125387573 has 2 divisors, whose sum is σ = 125387574. Its totient is φ = 125387572.

The previous prime is 125387497. The next prime is 125387623. The reversal of 125387573 is 375783521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119617969 + 5769604 = 10937^2 + 2402^2 .

It is a cyclic number.

It is not a de Polignac number, because 125387573 - 2¹⁶ = 125322037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125387573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125381573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62693786 + 62693787.

It is an arithmetic number, because the mean of its divisors is an integer number (62693787).

Almost surely, 2^125387573 is an apocalyptic number.

It is an amenable number.

125387573 is a deficient number, since it is larger than the sum of its proper divisors (1).

125387573 is an equidigital number, since it uses as much as digits as its factorization.

125387573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 176400, while the sum is 41.

The square root of 125387573 is about 11197.6592643284. The cubic root of 125387573 is about 500.5162308280.

The spelling of 125387573 in words is "one hundred twenty-five million, three hundred eighty-seven thousand, five hundred seventy-three".