125550306 has 24 divisors (see below), whose sum is σ = 310886784. Its totient is φ = 35871480.

The previous prime is 125550281. The next prime is 125550317. The reversal of 125550306 is 603055521.

It is a self number, because there is not a number n which added to its sum of digits gives 125550306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 498090 + ... + 498341.

It is an arithmetic number, because the mean of its divisors is an integer number (12953616).

Almost surely, 2^125550306 is an apocalyptic number.

125550306 is an abundant number, since it is smaller than the sum of its proper divisors (185336478).

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

125550306 is a wasteful number, since it uses less digits than its factorization.

125550306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996446 (or 996443 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 125550306 is about 11204.9232929101. The cubic root of 125550306 is about 500.7326672065.

The spelling of 125550306 in words is "one hundred twenty-five million, five hundred fifty thousand, three hundred six".