122530445345405 has 16 divisors (see below), whose sum is σ = 147100087701504. Its totient is φ = 97981996385280.

The previous prime is 122530445345359. The next prime is 122530445345417. The reversal of 122530445345405 is 504543544035221.

It is a de Polignac number, because none of the positive numbers 2^k-122530445345405 is a prime.

It is a super-2 number, since 2×122530445345405² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122530445345405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109696925 + ... + 110808285.

It is an arithmetic number, because the mean of its divisors is an integer number (9193755481344).

Almost surely, 2^{122530445345405} is an apocalyptic number.

It is an amenable number.

122530445345405 is a deficient number, since it is larger than the sum of its proper divisors (24569642356099).

122530445345405 is a wasteful number, since it uses less digits than its factorization.

122530445345405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120876.

The product of its (nonzero) digits is 5760000, while the sum is 47.

The spelling of 122530445345405 in words is "one hundred twenty-two trillion, five hundred thirty billion, four hundred forty-five million, three hundred forty-five thousand, four hundred five".