125535503 has 8 divisors (see below), whose sum is σ = 128321280. Its totient is φ = 122779800.

The previous prime is 125535493. The next prime is 125535551. The reversal of 125535503 is 305535521.

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 125535503 - 2⁸ = 125535247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125535583) 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, 1028 + ... + 15878.

It is an arithmetic number, because the mean of its divisors is an integer number (16040160).

Almost surely, 2^125535503 is an apocalyptic number.

125535503 is a deficient number, since it is larger than the sum of its proper divisors (2785777).

125535503 is a wasteful number, since it uses less digits than its factorization.

125535503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15037.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 125535503 is about 11204.2627155918. The cubic root of 125535503 is about 500.7129868163.

The spelling of 125535503 in words is "one hundred twenty-five million, five hundred thirty-five thousand, five hundred three".