125226313 has 4 divisors (see below), whose sum is σ = 125875348. Its totient is φ = 124577280.

The previous prime is 125226307. The next prime is 125226323. The reversal of 125226313 is 313622521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313622521 = 43 ⋅7293547.

It can be written as a sum of positive squares in 2 ways, for example, as 9168784 + 116057529 = 3028^2 + 10773^2 .

It is a cyclic number.

It is not a de Polignac number, because 125226313 - 2⁵ = 125226281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125226323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324228 + ... + 324613.

It is an arithmetic number, because the mean of its divisors is an integer number (31468837).

Almost surely, 2^125226313 is an apocalyptic number.

It is an amenable number.

125226313 is a deficient number, since it is larger than the sum of its proper divisors (649035).

125226313 is an equidigital number, since it uses as much as digits as its factorization.

125226313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649034.

The product of its digits is 2160, while the sum is 25.

The square root of 125226313 is about 11190.4563356460. The cubic root of 125226313 is about 500.3015687427.

Adding to 125226313 its reverse (313622521), we get a palindrome (438848834).

The spelling of 125226313 in words is "one hundred twenty-five million, two hundred twenty-six thousand, three hundred thirteen".