125224224441251 has 4 divisors (see below), whose sum is σ = 134856857090592. Its totient is φ = 115591591791912.

The previous prime is 125224224441247. The next prime is 125224224441289. The reversal of 125224224441251 is 152144422422521.

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 125224224441251 - 2² = 125224224441247 is a prime.

It is a super-2 number, since 2×125224224441251² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125224224441199 and 125224224441208.

It is not an unprimeable number, because it can be changed into a prime (125224224444251) 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, 4816316324651 + ... + 4816316324676.

It is an arithmetic number, because the mean of its divisors is an integer number (33714214272648).

Almost surely, 2^{125224224441251} is an apocalyptic number.

125224224441251 is a deficient number, since it is larger than the sum of its proper divisors (9632632649341).

125224224441251 is an equidigital number, since it uses as much as digits as its factorization.

125224224441251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9632632649340.

The product of its digits is 409600, while the sum is 41.

Adding to 125224224441251 its reverse (152144422422521), we get a palindrome (277368646863772).

The spelling of 125224224441251 in words is "one hundred twenty-five trillion, two hundred twenty-four billion, two hundred twenty-four million, four hundred forty-one thousand, two hundred fifty-one".