125445118 has 4 divisors (see below), whose sum is σ = 188167680. Its totient is φ = 62722558.

The previous prime is 125445113. The next prime is 125445119. The reversal of 125445118 is 811544521.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 125445118.

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 as a sum of consecutive naturals, namely, 31361278 + ... + 31361281.

It is an arithmetic number, because the mean of its divisors is an integer number (47041920).

Almost surely, 2^125445118 is an apocalyptic number.

125445118 is a deficient number, since it is larger than the sum of its proper divisors (62722562).

125445118 is an equidigital number, since it uses as much as digits as its factorization.

125445118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62722561.

The product of its digits is 6400, while the sum is 31.

The square root of 125445118 is about 11200.2284798124. The cubic root of 125445118 is about 500.5927875947.

Adding to 125445118 its reverse (811544521), we get a palindrome (936989639).

The spelling of 125445118 in words is "one hundred twenty-five million, four hundred forty-five thousand, one hundred eighteen".