125422245 has 48 divisors (see below), whose sum is σ = 242227440. Its totient is φ = 59609088.

The previous prime is 125422237. The next prime is 125422247. The reversal of 125422245 is 542224521.

It can be written as a sum of positive squares in 8 ways, for example, as 22724289 + 102697956 = 4767^2 + 10134^2 .

It is not a de Polignac number, because 125422245 - 2³ = 125422237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125422247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13269 + ... + 20661.

It is an arithmetic number, because the mean of its divisors is an integer number (5046405).

Almost surely, 2^125422245 is an apocalyptic number.

125422245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125422245 is a deficient number, since it is larger than the sum of its proper divisors (116805195).

125422245 is a wasteful number, since it uses less digits than its factorization.

125422245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7446 (or 7443 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 125422245 is about 11199.2073380217. The cubic root of 125422245 is about 500.5623605973.

Adding to 125422245 its reverse (542224521), we get a palindrome (667646766).

The spelling of 125422245 in words is "one hundred twenty-five million, four hundred twenty-two thousand, two hundred forty-five".