122461347145 has 8 divisors (see below), whose sum is σ = 146966318856. Its totient is φ = 97960609536.

The previous prime is 122461347139. The next prime is 122461347157. The reversal of 122461347145 is 541743164221.

It can be written as a sum of positive squares in 4 ways, for example, as 333464121 + 122127883024 = 18261^2 + 349468^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 122461347145 - 2⁷ = 122461347017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122461347098 and 122461347107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 994542 + ... + 1110871.

It is an arithmetic number, because the mean of its divisors is an integer number (18370789857).

Almost surely, 2^122461347145 is an apocalyptic number.

It is an amenable number.

122461347145 is a deficient number, since it is larger than the sum of its proper divisors (24504971711).

122461347145 is a wasteful number, since it uses less digits than its factorization.

122461347145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117051.

The product of its digits is 161280, while the sum is 40.

The spelling of 122461347145 in words is "one hundred twenty-two billion, four hundred sixty-one million, three hundred forty-seven thousand, one hundred forty-five".