122736550447 has 8 divisors (see below), whose sum is σ = 145107252000. Its totient is φ = 101575076064.

The previous prime is 122736550429. The next prime is 122736550451. The reversal of 122736550447 is 744055637221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122736550447 - 2¹⁹ = 122736026159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122736550397 and 122736550406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122736550427) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 302306572 + ... + 302306977.

It is an arithmetic number, because the mean of its divisors is an integer number (18138406500).

Almost surely, 2^122736550447 is an apocalyptic number.

122736550447 is a deficient number, since it is larger than the sum of its proper divisors (22370701553).

122736550447 is an equidigital number, since it uses as much as digits as its factorization.

122736550447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604613585.

The product of its (nonzero) digits is 1411200, while the sum is 46.

The spelling of 122736550447 in words is "one hundred twenty-two billion, seven hundred thirty-six million, five hundred fifty thousand, four hundred forty-seven".