125005055 has 32 divisors (see below), whose sum is σ = 178343424. Its totient is φ = 82325376.

The previous prime is 125005019. The next prime is 125005061. The reversal of 125005055 is 550500521.

It is not a de Polignac number, because 125005055 - 2⁶ = 125004991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125005055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106904 + ... + 108066.

It is an arithmetic number, because the mean of its divisors is an integer number (5573232).

Almost surely, 2^125005055 is an apocalyptic number.

125005055 is a deficient number, since it is larger than the sum of its proper divisors (53338369).

125005055 is a wasteful number, since it uses less digits than its factorization.

125005055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295.

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 125005055 is about 11180.5659516860. The cubic root of 125005055 is about 500.0067399091.

Adding to 125005055 its reverse (550500521), we get a palindrome (675505576).

The spelling of 125005055 in words is "one hundred twenty-five million, five thousand, fifty-five".