122415649543 has 6 divisors (see below), whose sum is σ = 134556044672. Its totient is φ = 111286954020.

The previous prime is 122415649529. The next prime is 122415649567. The reversal of 122415649543 is 345946514221.

It is not a de Polignac number, because 122415649543 - 2⁵ = 122415649511 is a prime.

It is a super-2 number, since 2×122415649543² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122415649493 and 122415649502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122415643543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 505849671 + ... + 505849912.

Almost surely, 2^122415649543 is an apocalyptic number.

122415649543 is a deficient number, since it is larger than the sum of its proper divisors (12140395129).

122415649543 is a wasteful number, since it uses less digits than its factorization.

122415649543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011699605 (or 1011699594 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 46.

The spelling of 122415649543 in words is "one hundred twenty-two billion, four hundred fifteen million, six hundred forty-nine thousand, five hundred forty-three".