125456547 has 4 divisors (see below), whose sum is σ = 167275400. Its totient is φ = 83637696.

The previous prime is 125456521. The next prime is 125456587. The reversal of 125456547 is 745654521.

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

It is not a de Polignac number, because 125456547 - 2⁶ = 125456483 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125456587) 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, 20909422 + ... + 20909427.

It is an arithmetic number, because the mean of its divisors is an integer number (41818850).

Almost surely, 2^125456547 is an apocalyptic number.

125456547 is a deficient number, since it is larger than the sum of its proper divisors (41818853).

125456547 is an equidigital number, since it uses as much as digits as its factorization.

125456547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41818852.

The product of its digits is 168000, while the sum is 39.

The square root of 125456547 is about 11200.7386809978. The cubic root of 125456547 is about 500.6079897306.

The spelling of 125456547 in words is "one hundred twenty-five million, four hundred fifty-six thousand, five hundred forty-seven".