125224424243 has 4 divisors (see below), whose sum is σ = 125546338320. Its totient is φ = 124902510168.

The previous prime is 125224424239. The next prime is 125224424257. The reversal of 125224424243 is 342424422521.

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

It is a cyclic number.

It is not a de Polignac number, because 125224424243 - 2² = 125224424239 is a prime.

It is a super-2 number, since 2×125224424243² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125224424293) 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, 160956455 + ... + 160957232.

It is an arithmetic number, because the mean of its divisors is an integer number (31386584580).

Almost surely, 2^125224424243 is an apocalyptic number.

125224424243 is a deficient number, since it is larger than the sum of its proper divisors (321914077).

125224424243 is an equidigital number, since it uses as much as digits as its factorization.

125224424243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321914076.

The product of its digits is 122880, while the sum is 35.

Adding to 125224424243 its reverse (342424422521), we get a palindrome (467648846764).

The spelling of 125224424243 in words is "one hundred twenty-five billion, two hundred twenty-four million, four hundred twenty-four thousand, two hundred forty-three".