125454111 has 4 divisors (see below), whose sum is σ = 167272152. Its totient is φ = 83636072.

The previous prime is 125454097. The next prime is 125454149. The reversal of 125454111 is 111454521.

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

It is a cyclic number.

It is not a de Polignac number, because 125454111 - 2¹⁰ = 125453087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125454151) 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 3 ways as a sum of consecutive naturals, for example, 20909016 + ... + 20909021.

It is an arithmetic number, because the mean of its divisors is an integer number (41818038).

Almost surely, 2^125454111 is an apocalyptic number.

125454111 is a deficient number, since it is larger than the sum of its proper divisors (41818041).

125454111 is an equidigital number, since it uses as much as digits as its factorization.

125454111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41818040.

The product of its digits is 800, while the sum is 24.

The square root of 125454111 is about 11200.6299376419. The cubic root of 125454111 is about 500.6047495943.

The spelling of 125454111 in words is "one hundred twenty-five million, four hundred fifty-four thousand, one hundred eleven".