125415453 has 8 divisors (see below), whose sum is σ = 168087808. Its totient is φ = 83176704.

The previous prime is 125415439. The next prime is 125415461. The reversal of 125415453 is 354514521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125415453 - 2²¹ = 123318301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125415453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125415853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107725 + ... + 108882.

It is an arithmetic number, because the mean of its divisors is an integer number (21010976).

Almost surely, 2^125415453 is an apocalyptic number.

It is an amenable number.

125415453 is a deficient number, since it is larger than the sum of its proper divisors (42672355).

125415453 is a wasteful number, since it uses less digits than its factorization.

125415453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216803.

The product of its digits is 12000, while the sum is 30.

The square root of 125415453 is about 11198.9040981696. The cubic root of 125415453 is about 500.5533247708.

Adding to 125415453 its reverse (354514521), we get a palindrome (479929974).

The spelling of 125415453 in words is "one hundred twenty-five million, four hundred fifteen thousand, four hundred fifty-three".