125236453 has 4 divisors (see below), whose sum is σ = 128621260. Its totient is φ = 121851648.

The previous prime is 125236421. The next prime is 125236457. The reversal of 125236453 is 354632521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 354632521 = 7883 ⋅44987.

It can be written as a sum of positive squares in 2 ways, for example, as 96000804 + 29235649 = 9798^2 + 5407^2 .

It is a cyclic number.

It is not a de Polignac number, because 125236453 - 2⁵ = 125236421 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 (125236457) 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, 1692348 + ... + 1692421.

It is an arithmetic number, because the mean of its divisors is an integer number (32155315).

Almost surely, 2^125236453 is an apocalyptic number.

It is an amenable number.

125236453 is a deficient number, since it is larger than the sum of its proper divisors (3384807).

125236453 is an equidigital number, since it uses as much as digits as its factorization.

125236453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384806.

The product of its digits is 21600, while the sum is 31.

The square root of 125236453 is about 11190.9093911085. The cubic root of 125236453 is about 500.3150720841.

Adding to 125236453 its reverse (354632521), we get a palindrome (479868974).

The spelling of 125236453 in words is "one hundred twenty-five million, two hundred thirty-six thousand, four hundred fifty-three".