125601273 has 40 divisors (see below), whose sum is σ = 220262592. Its totient is φ = 69820704.

The previous prime is 125601241. The next prime is 125601293. The reversal of 125601273 is 372106521.

It is a happy number.

It is not a de Polignac number, because 125601273 - 2⁵ = 125601241 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125601293) 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 39 ways as a sum of consecutive naturals, for example, 17986 + ... + 23972.

Almost surely, 2^125601273 is an apocalyptic number.

It is an amenable number.

125601273 is a deficient number, since it is larger than the sum of its proper divisors (94661319).

125601273 is an equidigital number, since it uses as much as digits as its factorization.

125601273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6043 (or 6034 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 125601273 is about 11207.1973749015. The cubic root of 125601273 is about 500.8004153202.

Adding to 125601273 its reverse (372106521), we get a palindrome (497707794).

The spelling of 125601273 in words is "one hundred twenty-five million, six hundred one thousand, two hundred seventy-three".