125403453 has 24 divisors (see below), whose sum is σ = 214156800. Its totient is φ = 69187104.

The previous prime is 125403451. The next prime is 125403469. The reversal of 125403453 is 354304521.

It is not a de Polignac number, because 125403453 - 2¹ = 125403451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125403451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32493 + ... + 36146.

It is an arithmetic number, because the mean of its divisors is an integer number (8923200).

Almost surely, 2^125403453 is an apocalyptic number.

It is an amenable number.

125403453 is a deficient number, since it is larger than the sum of its proper divisors (88753347).

125403453 is a wasteful number, since it uses less digits than its factorization.

125403453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68681 (or 68678 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 125403453 is about 11198.3683186436. The cubic root of 125403453 is about 500.5373596157.

Adding to 125403453 its reverse (354304521), we get a palindrome (479707974).

The spelling of 125403453 in words is "one hundred twenty-five million, four hundred three thousand, four hundred fifty-three".