125423055 has 24 divisors (see below), whose sum is σ = 224415360. Its totient is φ = 64733760.

The previous prime is 125423033. The next prime is 125423063. The reversal of 125423055 is 550324521.

It is a happy number.

It is not a de Polignac number, because 125423055 - 2⁸ = 125422799 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 (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43560 + ... + 46349.

It is an arithmetic number, because the mean of its divisors is an integer number (9350640).

Almost surely, 2^125423055 is an apocalyptic number.

125423055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125423055 is a deficient number, since it is larger than the sum of its proper divisors (98992305).

125423055 is a wasteful number, since it uses less digits than its factorization.

125423055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89951 (or 89948 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 125423055 is about 11199.2435012370. The cubic root of 125423055 is about 500.5634381697.

Adding to 125423055 its reverse (550324521), we get a palindrome (675747576).

The spelling of 125423055 in words is "one hundred twenty-five million, four hundred twenty-three thousand, fifty-five".