125561226 has 24 divisors (see below), whose sum is σ = 292122720. Its totient is φ = 35874552.

The previous prime is 125561203. The next prime is 125561243. The reversal of 125561226 is 622165521.

It is a junction number, because it is equal to n+sod(n) for n = 125561193 and 125561202.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 213246 + ... + 213833.

It is an arithmetic number, because the mean of its divisors is an integer number (12171780).

Almost surely, 2^125561226 is an apocalyptic number.

125561226 is an abundant number, since it is smaller than the sum of its proper divisors (166561494).

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

125561226 is a wasteful number, since it uses less digits than its factorization.

125561226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427098 (or 427091 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 125561226 is about 11205.4105681140. The cubic root of 125561226 is about 500.7471842087.

It can be divided in two parts, 1255 and 61226, that added together give a triangular number (62481 = T₃₅₃).

The spelling of 125561226 in words is "one hundred twenty-five million, five hundred sixty-one thousand, two hundred twenty-six".