125511453 has 12 divisors (see below), whose sum is σ = 185511040. Its totient is φ = 81728136.

The previous prime is 125511443. The next prime is 125511481. The reversal of 125511453 is 354115521.

It is not a de Polignac number, because 125511453 - 2⁶ = 125511389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125511403) 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 11 ways as a sum of consecutive naturals, for example, 161773 + ... + 162546.

Almost surely, 2^125511453 is an apocalyptic number.

It is an amenable number.

125511453 is a deficient number, since it is larger than the sum of its proper divisors (59999587).

125511453 is a wasteful number, since it uses less digits than its factorization.

125511453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324368 (or 324365 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 125511453 is about 11203.1894119487. The cubic root of 125511453 is about 500.6810093647.

Adding to 125511453 its reverse (354115521), we get a palindrome (479626974).

The spelling of 125511453 in words is "one hundred twenty-five million, five hundred eleven thousand, four hundred fifty-three".