122066405154 has 48 divisors (see below), whose sum is σ = 271624986360. Its totient is φ = 39594251520.

The previous prime is 122066405143. The next prime is 122066405159. The reversal of 122066405154 is 451504660221.

122066405154 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 6 + 640 + 5 + 1 + 5 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 53617718025 + 68448687129 = 231555^2 + 261627^2 .

It is not an unprimeable number, because it can be changed into a prime (122066405159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74484 + ... + 499680.

Almost surely, 2^122066405154 is an apocalyptic number.

122066405154 is an abundant number, since it is smaller than the sum of its proper divisors (149558581206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122066405154 is a wasteful number, since it uses less digits than its factorization.

122066405154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425635 (or 425632 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 122066405154 in words is "one hundred twenty-two billion, sixty-six million, four hundred five thousand, one hundred fifty-four".