122667254506 has 8 divisors (see below), whose sum is σ = 184354052004. Its totient is φ = 61215903840.

The previous prime is 122667254497. The next prime is 122667254509. The reversal of 122667254506 is 605452766221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 119134735281 + 3532519225 = 345159^2 + 59435^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (122667254509) 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 3 ways as a sum of consecutive naturals, for example, 58860405 + ... + 58862488.

Almost surely, 2^122667254506 is an apocalyptic number.

122667254506 is a deficient number, since it is larger than the sum of its proper divisors (61686797498).

122667254506 is a wasteful number, since it uses less digits than its factorization.

122667254506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117723416.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 122667254506 in words is "one hundred twenty-two billion, six hundred sixty-seven million, two hundred fifty-four thousand, five hundred six".