122450125143 has 4 divisors (see below), whose sum is σ = 163266833528. Its totient is φ = 81633416760.

The previous prime is 122450125139. The next prime is 122450125153. The reversal of 122450125143 is 341521054221.

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

It is not a de Polignac number, because 122450125143 - 2² = 122450125139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122450125143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122450125153) 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, 20408354188 + ... + 20408354193.

It is an arithmetic number, because the mean of its divisors is an integer number (40816708382).

Almost surely, 2^122450125143 is an apocalyptic number.

122450125143 is a deficient number, since it is larger than the sum of its proper divisors (40816708385).

122450125143 is an equidigital number, since it uses as much as digits as its factorization.

122450125143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40816708384.

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

Adding to 122450125143 its reverse (341521054221), we get a palindrome (463971179364).

The spelling of 122450125143 in words is "one hundred twenty-two billion, four hundred fifty million, one hundred twenty-five thousand, one hundred forty-three".