123125405253 has 8 divisors (see below), whose sum is σ = 172807586400. Its totient is φ = 77763413808.

The previous prime is 123125405239. The next prime is 123125405257. The reversal of 123125405253 is 352504521321.

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

It is not a de Polignac number, because 123125405253 - 2⁴ = 123125405237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123125405257) 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, 1080047358 + ... + 1080047471.

It is an arithmetic number, because the mean of its divisors is an integer number (21600948300).

Almost surely, 2^123125405253 is an apocalyptic number.

It is an amenable number.

123125405253 is a deficient number, since it is larger than the sum of its proper divisors (49682181147).

123125405253 is a wasteful number, since it uses less digits than its factorization.

123125405253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160094851.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 123125405253 its reverse (352504521321), we get a palindrome (475629926574).

The spelling of 123125405253 in words is "one hundred twenty-three billion, one hundred twenty-five million, four hundred five thousand, two hundred fifty-three".