125550003 has 8 divisors (see below), whose sum is σ = 167473600. Its totient is φ = 83663208.

The previous prime is 125550001. The next prime is 125550011. The reversal of 125550003 is 300055521.

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

It is not a de Polignac number, because 125550003 - 2¹ = 125550001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125550001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108 + ... + 15846.

It is an arithmetic number, because the mean of its divisors is an integer number (20934200).

Almost surely, 2^125550003 is an apocalyptic number.

125550003 is a deficient number, since it is larger than the sum of its proper divisors (41923597).

125550003 is a wasteful number, since it uses less digits than its factorization.

125550003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18401.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 125550003 is about 11204.9097720597. The cubic root of 125550003 is about 500.7322643875.

The spelling of 125550003 in words is "one hundred twenty-five million, five hundred fifty thousand, three".