122154116473 has 4 divisors (see below), whose sum is σ = 122226270628. Its totient is φ = 122081962320.

The previous prime is 122154116467. The next prime is 122154116479. The reversal of 122154116473 is 374611451221.

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

It is an interprime number because it is at equal distance from previous prime (122154116467) and next prime (122154116479).

It can be written as a sum of positive squares in 2 ways, for example, as 95659066944 + 26495049529 = 309288^2 + 162773^2 .

It is a cyclic number.

It is not a de Polignac number, because 122154116473 - 2¹³ = 122154108281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122154116479) 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, 36074538 + ... + 36077923.

It is an arithmetic number, because the mean of its divisors is an integer number (30556567657).

Almost surely, 2^122154116473 is an apocalyptic number.

It is an amenable number.

122154116473 is a deficient number, since it is larger than the sum of its proper divisors (72154155).

122154116473 is an equidigital number, since it uses as much as digits as its factorization.

122154116473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72154154.

The product of its digits is 40320, while the sum is 37.

Adding to 122154116473 its reverse (374611451221), we get a palindrome (496765567694).

The spelling of 122154116473 in words is "one hundred twenty-two billion, one hundred fifty-four million, one hundred sixteen thousand, four hundred seventy-three".