122626471005 has 24 divisors (see below), whose sum is σ = 212945480280. Its totient is φ = 65279882880.

The previous prime is 122626470979. The next prime is 122626471007. The reversal of 122626471005 is 500174626221.

It is a happy number.

122626471005 is a `hidden beast` number, since 1 + 2 + 2 + 6 + 2 + 647 + 1 + 0 + 0 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 111070521 + 122515400484 = 10539^2 + 350022^2 .

It is not a de Polignac number, because 122626471005 - 2⁵ = 122626470973 is a prime.

It is a super-2 number, since 2×122626471005² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122626471007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2494170 + ... + 2542859.

It is an arithmetic number, because the mean of its divisors is an integer number (8872728345).

Almost surely, 2^122626471005 is an apocalyptic number.

122626471005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122626471005 is a deficient number, since it is larger than the sum of its proper divisors (90319009275).

122626471005 is a wasteful number, since it uses less digits than its factorization.

122626471005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5037581 (or 5037578 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 122626471005 in words is "one hundred twenty-two billion, six hundred twenty-six million, four hundred seventy-one thousand, five".