122547423245 has 8 divisors (see below), whose sum is σ = 158368977816. Its totient is φ = 90496558656.

The previous prime is 122547423221. The next prime is 122547423259. The reversal of 122547423245 is 542324745221.

It can be written as a sum of positive squares in 4 ways, for example, as 4253387524 + 118294035721 = 65218^2 + 343939^2 .

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 122547423245 - 2¹⁸ = 122547161101 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 942672422 + ... + 942672551.

It is an arithmetic number, because the mean of its divisors is an integer number (19796122227).

Almost surely, 2^122547423245 is an apocalyptic number.

It is an amenable number.

122547423245 is a deficient number, since it is larger than the sum of its proper divisors (35821554571).

122547423245 is a wasteful number, since it uses less digits than its factorization.

122547423245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885344991.

The product of its digits is 537600, while the sum is 41.

The spelling of 122547423245 in words is "one hundred twenty-two billion, five hundred forty-seven million, four hundred twenty-three thousand, two hundred forty-five".