122231300173 has 2 divisors, whose sum is σ = 122231300174. Its totient is φ = 122231300172.

The previous prime is 122231300131. The next prime is 122231300197. The reversal of 122231300173 is 371003132221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120890422249 + 1340877924 = 347693^2 + 36618^2 .

It is a cyclic number.

It is not a de Polignac number, because 122231300173 - 2¹³ = 122231291981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122231300273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61115650086 + 61115650087.

It is an arithmetic number, because the mean of its divisors is an integer number (61115650087).

Almost surely, 2^122231300173 is an apocalyptic number.

It is an amenable number.

122231300173 is a deficient number, since it is larger than the sum of its proper divisors (1).

122231300173 is an equidigital number, since it uses as much as digits as its factorization.

122231300173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

Adding to 122231300173 its reverse (371003132221), we get a palindrome (493234432394).

The spelling of 122231300173 in words is "one hundred twenty-two billion, two hundred thirty-one million, three hundred thousand, one hundred seventy-three".