125681227 has 12 divisors (see below), whose sum is σ = 146389680. Its totient is φ = 107587536.

The previous prime is 125681203. The next prime is 125681249. The reversal of 125681227 is 722186521.

It is a happy number.

It is not a de Polignac number, because 125681227 - 2¹¹ = 125679179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125681192 and 125681201.

It is not an unprimeable number, because it can be changed into a prime (125681627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59178 + ... + 61264.

It is an arithmetic number, because the mean of its divisors is an integer number (12199140).

Almost surely, 2^125681227 is an apocalyptic number.

125681227 is a deficient number, since it is larger than the sum of its proper divisors (20708453).

125681227 is a wasteful number, since it uses less digits than its factorization.

125681227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330 (or 3323 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 125681227 is about 11210.7638901192. The cubic root of 125681227 is about 500.9066576169.

The spelling of 125681227 in words is "one hundred twenty-five million, six hundred eighty-one thousand, two hundred twenty-seven".