125211255 has 24 divisors (see below), whose sum is σ = 216938448. Its totient is φ = 61641216.

The previous prime is 125211217. The next prime is 125211257. The reversal of 125211255 is 552112521.

It is not a de Polignac number, because 125211255 - 2¹⁴ = 125194871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125211257) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 22162 + ... + 27231.

It is an arithmetic number, because the mean of its divisors is an integer number (9039102).

Almost surely, 2^125211255 is an apocalyptic number.

125211255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125211255 is a deficient number, since it is larger than the sum of its proper divisors (91727193).

125211255 is a wasteful number, since it uses less digits than its factorization.

125211255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49427 (or 49414 counting only the distinct ones).

The product of its digits is 1000, while the sum is 24.

The square root of 125211255 is about 11189.7835099702. The cubic root of 125211255 is about 500.2815148024.

Adding to 125211255 its reverse (552112521), we get a palindrome (677323776).

The spelling of 125211255 in words is "one hundred twenty-five million, two hundred eleven thousand, two hundred fifty-five".