125556245 has 8 divisors (see below), whose sum is σ = 150815616. Its totient is φ = 100346256.

The previous prime is 125556229. The next prime is 125556251. The reversal of 125556245 is 542655521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125556245 - 2⁴ = 125556229 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6497 + ... + 17126.

It is an arithmetic number, because the mean of its divisors is an integer number (18851952).

Almost surely, 2^125556245 is an apocalyptic number.

It is an amenable number.

125556245 is a deficient number, since it is larger than the sum of its proper divisors (25259371).

125556245 is a wasteful number, since it uses less digits than its factorization.

125556245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24691.

The product of its digits is 60000, while the sum is 35.

The square root of 125556245 is about 11205.1883072084. The cubic root of 125556245 is about 500.7405625926.

The spelling of 125556245 in words is "one hundred twenty-five million, five hundred fifty-six thousand, two hundred forty-five".