122428085553 has 16 divisors (see below), whose sum is σ = 184082032960. Its totient is φ = 80400532608.

The previous prime is 122428085503. The next prime is 122428085561. The reversal of 122428085553 is 355580824221.

122428085553 is a `hidden beast` number, since 12 + 2 + 4 + 2 + 8 + 0 + 85 + 553 = 666.

It is not a de Polignac number, because 122428085553 - 2⁶ = 122428085489 is a prime.

It is a super-2 number, since 2×122428085553² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122428085499 and 122428085508.

It is not an unprimeable number, because it can be changed into a prime (122428085503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33836800 + ... + 33840417.

It is an arithmetic number, because the mean of its divisors is an integer number (11505127060).

Almost surely, 2^122428085553 is an apocalyptic number.

It is an amenable number.

122428085553 is a deficient number, since it is larger than the sum of its proper divisors (61653947407).

122428085553 is an equidigital number, since it uses as much as digits as its factorization.

122428085553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67677293 (or 67677287 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 45.

The spelling of 122428085553 in words is "one hundred twenty-two billion, four hundred twenty-eight million, eighty-five thousand, five hundred fifty-three".