125530453 has 4 divisors (see below), whose sum is σ = 125880480. Its totient is φ = 125180428.

The previous prime is 125530451. The next prime is 125530469. The reversal of 125530453 is 354035521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 125530453 - 2¹ = 125530451 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 (125530451) 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, 174475 + ... + 175192.

It is an arithmetic number, because the mean of its divisors is an integer number (31470120).

Almost surely, 2^125530453 is an apocalyptic number.

It is an amenable number.

125530453 is a deficient number, since it is larger than the sum of its proper divisors (350027).

125530453 is an equidigital number, since it uses as much as digits as its factorization.

125530453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350026.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 125530453 is about 11204.0373526689. The cubic root of 125530453 is about 500.7062725551.

Adding to 125530453 its reverse (354035521), we get a palindrome (479565974).

The spelling of 125530453 in words is "one hundred twenty-five million, five hundred thirty thousand, four hundred fifty-three".