125135255 has 16 divisors (see below), whose sum is σ = 172570944. Its totient is φ = 85328640.

The previous prime is 125135243. The next prime is 125135267. The reversal of 125135255 is 552531521.

It is an interprime number because it is at equal distance from previous prime (125135243) and next prime (125135267).

It is not a de Polignac number, because 125135255 - 2⁶ = 125135191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3542 + ... + 16211.

It is an arithmetic number, because the mean of its divisors is an integer number (10785684).

Almost surely, 2^125135255 is an apocalyptic number.

125135255 is a deficient number, since it is larger than the sum of its proper divisors (47435689).

125135255 is a wasteful number, since it uses less digits than its factorization.

125135255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19946.

The product of its digits is 7500, while the sum is 29.

The square root of 125135255 is about 11186.3870396120. The cubic root of 125135255 is about 500.1802749940.

Adding to 125135255 its reverse (552531521), we get a palindrome (677666776).

The spelling of 125135255 in words is "one hundred twenty-five million, one hundred thirty-five thousand, two hundred fifty-five".