125452953269 has 4 divisors (see below), whose sum is σ = 143374803744. Its totient is φ = 107531102796.

The previous prime is 125452953253. The next prime is 125452953277. The reversal of 125452953269 is 962359254521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125452953269 - 2⁴ = 125452953253 is a prime.

It is a super-2 number, since 2×125452953269² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 125452953269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125452953299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8960925227 + ... + 8960925240.

It is an arithmetic number, because the mean of its divisors is an integer number (35843700936).

Almost surely, 2^125452953269 is an apocalyptic number.

It is an amenable number.

125452953269 is a deficient number, since it is larger than the sum of its proper divisors (17921850475).

125452953269 is an equidigital number, since it uses as much as digits as its factorization.

125452953269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17921850474.

The product of its digits is 5832000, while the sum is 53.

The spelling of 125452953269 in words is "one hundred twenty-five billion, four hundred fifty-two million, nine hundred fifty-three thousand, two hundred sixty-nine".