125001503 has 8 divisors (see below), whose sum is σ = 140051280. Its totient is φ = 110566080.

The previous prime is 125001469. The next prime is 125001511. The reversal of 125001503 is 305100521.

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 125001503 - 2⁶ = 125001439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125001523) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 153158 + ... + 153971.

It is an arithmetic number, because the mean of its divisors is an integer number (17506410).

Almost surely, 2^125001503 is an apocalyptic number.

125001503 is a deficient number, since it is larger than the sum of its proper divisors (15049777).

125001503 is a wasteful number, since it uses less digits than its factorization.

125001503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307177.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 125001503 is about 11180.4071035003. The cubic root of 125001503 is about 500.0020039920.

The spelling of 125001503 in words is "one hundred twenty-five million, one thousand, five hundred three".