122500440043 has 2 divisors, whose sum is σ = 122500440044. Its totient is φ = 122500440042.

The previous prime is 122500440037. The next prime is 122500440061. The reversal of 122500440043 is 340044005221.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (340044005221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122500440043 - 2²¹ = 122498342891 is a prime.

It is not a weakly prime, because it can be changed into another prime (122500140043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61250220021 + 61250220022.

It is an arithmetic number, because the mean of its divisors is an integer number (61250220022).

Almost surely, 2^122500440043 is an apocalyptic number.

122500440043 is a deficient number, since it is larger than the sum of its proper divisors (1).

122500440043 is an equidigital number, since it uses as much as digits as its factorization.

122500440043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 122500440043 its reverse (340044005221), we get a palindrome (462544445264).

The spelling of 122500440043 in words is "one hundred twenty-two billion, five hundred million, four hundred forty thousand, forty-three".