125504205 has 16 divisors (see below), whose sum is σ = 200992704. Its totient is φ = 66873600.

The previous prime is 125504189. The next prime is 125504207. The reversal of 125504205 is 502405521.

It is a happy number.

It is not a de Polignac number, because 125504205 - 2⁴ = 125504189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125504207) 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, 16230 + ... + 22680.

It is an arithmetic number, because the mean of its divisors is an integer number (12562044).

Almost surely, 2^125504205 is an apocalyptic number.

125504205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125504205 is a deficient number, since it is larger than the sum of its proper divisors (75488499).

125504205 is a wasteful number, since it uses less digits than its factorization.

125504205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7756.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 125504205 is about 11202.8659279668. The cubic root of 125504205 is about 500.6713714506.

Adding to 125504205 its reverse (502405521), we get a palindrome (627909726).

The spelling of 125504205 in words is "one hundred twenty-five million, five hundred four thousand, two hundred five".