122477852450 has 54 divisors (see below), whose sum is σ = 233432699697. Its totient is φ = 47810238000.

The previous prime is 122477852423. The next prime is 122477852501. The reversal of 122477852450 is 54258774221.

It can be written as a sum of positive squares in 2 ways, for example, as 120028295401 + 2449557049 = 346451^2 + 49493^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=247465.

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 = 122477852395 and 122477852404.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 106409375 + ... + 106410525.

Almost surely, 2^122477852450 is an apocalyptic number.

122477852450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122477852450 is a deficient number, since it is larger than the sum of its proper divisors (110954847247).

122477852450 is an frugal number, since it uses more digits than its factorization.

122477852450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400 (or 1201 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 47.

The spelling of 122477852450 in words is "one hundred twenty-two billion, four hundred seventy-seven million, eight hundred fifty-two thousand, four hundred fifty".