125423073 has 10 divisors (see below), whose sum is σ = 187360514. Its totient is φ = 83615328.

The previous prime is 125423063. The next prime is 125423087. The reversal of 125423073 is 370324521.

It can be written as a sum of positive squares in only one way, i.e., 107682129 + 17740944 = 10377^2 + 4212^2 .

It is not a de Polignac number, because 125423073 - 2¹³ = 125414881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125423003) 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 9 ways as a sum of consecutive naturals, for example, 774136 + ... + 774297.

Almost surely, 2^125423073 is an apocalyptic number.

It is an amenable number.

125423073 is a deficient number, since it is larger than the sum of its proper divisors (61937441).

125423073 is an equidigital number, since it uses as much as digits as its factorization.

125423073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548445 (or 1548436 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 125423073 is about 11199.2443048627. The cubic root of 125423073 is about 500.5634621157.

Adding to 125423073 its reverse (370324521), we get a palindrome (495747594).

The spelling of 125423073 in words is "one hundred twenty-five million, four hundred twenty-three thousand, seventy-three".