125043055 has 4 divisors (see below), whose sum is σ = 150051672. Its totient is φ = 100034440.

The previous prime is 125043053. The next prime is 125043067. The reversal of 125043055 is 550340521.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 125043055 - 2¹ = 125043053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125043053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12504301 + ... + 12504310.

It is an arithmetic number, because the mean of its divisors is an integer number (37512918).

Almost surely, 2^125043055 is an apocalyptic number.

125043055 is a deficient number, since it is larger than the sum of its proper divisors (25008617).

125043055 is an equidigital number, since it uses as much as digits as its factorization.

125043055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25008616.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 125043055 is about 11182.2651998600. The cubic root of 125043055 is about 500.0574000769.

Adding to 125043055 its reverse (550340521), we get a palindrome (675383576).

The spelling of 125043055 in words is "one hundred twenty-five million, forty-three thousand, fifty-five".