122409434247 has 8 divisors (see below), whose sum is σ = 167008220544. Its totient is φ = 79708468728.

The previous prime is 122409434221. The next prime is 122409434249. The reversal of 122409434247 is 742434904221.

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

It is not a de Polignac number, because 122409434247 - 2⁶ = 122409434183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122409434199 and 122409434208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122409434249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474455043 + ... + 474455300.

It is an arithmetic number, because the mean of its divisors is an integer number (20876027568).

Almost surely, 2^122409434247 is an apocalyptic number.

122409434247 is a deficient number, since it is larger than the sum of its proper divisors (44598786297).

122409434247 is an equidigital number, since it uses as much as digits as its factorization.

122409434247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948910389.

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 122409434247 in words is "one hundred twenty-two billion, four hundred nine million, four hundred thirty-four thousand, two hundred forty-seven".