125130226 has 16 divisors (see below), whose sum is σ = 207598104. Its totient is φ = 56191104.

The previous prime is 125130221. The next prime is 125130287. The reversal of 125130226 is 622031521.

It can be written as a sum of positive squares in 4 ways, for example, as 99980001 + 25150225 = 9999^2 + 5015^2 .

It is a super-2 number, since 2×125130226² = 31315146917622152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125130197 and 125130206.

It is not an unprimeable number, because it can be changed into a prime (125130221) 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 7 ways as a sum of consecutive naturals, for example, 64075 + ... + 65998.

Almost surely, 2^125130226 is an apocalyptic number.

125130226 is a deficient number, since it is larger than the sum of its proper divisors (82467878).

125130226 is a wasteful number, since it uses less digits than its factorization.

125130226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130125.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 125130226 is about 11186.1622552151. The cubic root of 125130226 is about 500.1735744035.

Adding to 125130226 its reverse (622031521), we get a palindrome (747161747).

The spelling of 125130226 in words is "one hundred twenty-five million, one hundred thirty thousand, two hundred twenty-six".