125055245 has 32 divisors (see below), whose sum is σ = 181370880. Its totient is φ = 80861760.

The previous prime is 125055239. The next prime is 125055311. The reversal of 125055245 is 542550521.

125055245 = T₄₅₄ + T₄₅₅ + ... + T₉₄₄.

It is not a de Polignac number, because 125055245 - 2⁶ = 125055181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254450 + ... + 254940.

It is an arithmetic number, because the mean of its divisors is an integer number (5667840).

Almost surely, 2^125055245 is an apocalyptic number.

It is an amenable number.

125055245 is a deficient number, since it is larger than the sum of its proper divisors (56315635).

125055245 is a wasteful number, since it uses less digits than its factorization.

125055245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 125055245 is about 11182.8102460875. The cubic root of 125055245 is about 500.0736491511.

The spelling of 125055245 in words is "one hundred twenty-five million, fifty-five thousand, two hundred forty-five".