125503315 has 8 divisors (see below), whose sum is σ = 172118880. Its totient is φ = 86059392.

The previous prime is 125503289. The next prime is 125503319. The reversal of 125503315 is 513305521.

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 125503315 - 2⁷ = 125503187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125503315.

It is not an unprimeable number, because it can be changed into a prime (125503319) 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, 1792870 + ... + 1792939.

It is an arithmetic number, because the mean of its divisors is an integer number (21514860).

Almost surely, 2^125503315 is an apocalyptic number.

125503315 is a deficient number, since it is larger than the sum of its proper divisors (46615565).

125503315 is an equidigital number, since it uses as much as digits as its factorization.

125503315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3585821.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 125503315 is about 11202.8262059179. The cubic root of 125503315 is about 500.6701879615.

Adding to 125503315 its reverse (513305521), we get a palindrome (638808836).

The spelling of 125503315 in words is "one hundred twenty-five million, five hundred three thousand, three hundred fifteen".