125224105431 has 4 divisors (see below), whose sum is σ = 166965473912. Its totient is φ = 83482736952.

The previous prime is 125224105427. The next prime is 125224105439. The reversal of 125224105431 is 134501422521.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 125224105431 - 2² = 125224105427 is a prime.

It is a super-3 number, since 3×125224105431³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125224105439) 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, 20870684236 + ... + 20870684241.

It is an arithmetic number, because the mean of its divisors is an integer number (41741368478).

Almost surely, 2^125224105431 is an apocalyptic number.

125224105431 is a deficient number, since it is larger than the sum of its proper divisors (41741368481).

125224105431 is an equidigital number, since it uses as much as digits as its factorization.

125224105431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41741368480.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 125224105431 its reverse (134501422521), we get a palindrome (259725527952).

The spelling of 125224105431 in words is "one hundred twenty-five billion, two hundred twenty-four million, one hundred five thousand, four hundred thirty-one".