125312226 has 32 divisors (see below), whose sum is σ = 270332160. Its totient is φ = 38496384.

The previous prime is 125312203. The next prime is 125312227. The reversal of 125312226 is 622213521.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125312196 and 125312205.

It is not an unprimeable number, because it can be changed into a prime (125312227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87351 + ... + 88773.

It is an arithmetic number, because the mean of its divisors is an integer number (8447880).

Almost surely, 2^125312226 is an apocalyptic number.

125312226 is an abundant number, since it is smaller than the sum of its proper divisors (145019934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125312226 is a wasteful number, since it uses less digits than its factorization.

125312226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570.

The product of its digits is 1440, while the sum is 24.

The square root of 125312226 is about 11194.2943502483. The cubic root of 125312226 is about 500.4159551999.

Adding to 125312226 its reverse (622213521), we get a palindrome (747525747).

The spelling of 125312226 in words is "one hundred twenty-five million, three hundred twelve thousand, two hundred twenty-six".