125503255 has 16 divisors (see below), whose sum is σ = 154677600. Its totient is φ = 97699840.

The previous prime is 125503253. The next prime is 125503277. The reversal of 125503255 is 552305521.

It is not a de Polignac number, because 125503255 - 2¹ = 125503253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125503253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134631 + ... + 135559.

It is an arithmetic number, because the mean of its divisors is an integer number (9667350).

Almost surely, 2^125503255 is an apocalyptic number.

125503255 is a deficient number, since it is larger than the sum of its proper divisors (29174345).

125503255 is an equidigital number, since it uses as much as digits as its factorization.

125503255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 125503255 is about 11202.8235280219. The cubic root of 125503255 is about 500.6701081755.

Adding to 125503255 its reverse (552305521), we get a palindrome (677808776).

The spelling of 125503255 in words is "one hundred twenty-five million, five hundred three thousand, two hundred fifty-five".