125464521 has 32 divisors (see below), whose sum is σ = 211472128. Its totient is φ = 64385280.

The previous prime is 125464513. The next prime is 125464529.

125464521 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (125464513) and next prime (125464529).

It is not a de Polignac number, because 125464521 - 2³ = 125464513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125464529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3891 + ... + 16311.

It is an arithmetic number, because the mean of its divisors is an integer number (6608504).

Almost surely, 2^125464521 is an apocalyptic number.

It is an amenable number.

125464521 is a deficient number, since it is larger than the sum of its proper divisors (86007607).

125464521 is a wasteful number, since it uses less digits than its factorization.

125464521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12481.

The product of its digits is 9600, while the sum is 30.

The square root of 125464521 is about 11201.0946340079. The cubic root of 125464521 is about 500.6185956964.

The spelling of 125464521 in words is "one hundred twenty-five million, four hundred sixty-four thousand, five hundred twenty-one".