125445117 has 32 divisors (see below), whose sum is σ = 199584000. Its totient is φ = 68590080.

The previous prime is 125445113. The next prime is 125445119. The reversal of 125445117 is 711544521.

It is not a de Polignac number, because 125445117 - 2² = 125445113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125445113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44259 + ... + 47007.

It is an arithmetic number, because the mean of its divisors is an integer number (6237000).

Almost surely, 2^125445117 is an apocalyptic number.

It is an amenable number.

125445117 is a deficient number, since it is larger than the sum of its proper divisors (74138883).

125445117 is a wasteful number, since it uses less digits than its factorization.

125445117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853.

The product of its digits is 5600, while the sum is 30.

The square root of 125445117 is about 11200.2284351704. The cubic root of 125445117 is about 500.5927862645.

Adding to 125445117 its reverse (711544521), we get a palindrome (836989638).

The spelling of 125445117 in words is "one hundred twenty-five million, four hundred forty-five thousand, one hundred seventeen".