122543234501 has 8 divisors (see below), whose sum is σ = 122866397208. Its totient is φ = 122220160000.

The previous prime is 122543234477. The next prime is 122543234519. The reversal of 122543234501 is 105432345221.

It can be written as a sum of positive squares in 4 ways, for example, as 29670062500 + 92873172001 = 172250^2 + 304751^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122543234501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122543234531) 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, 3487661 + ... + 3522621.

It is an arithmetic number, because the mean of its divisors is an integer number (15358299651).

Almost surely, 2^122543234501 is an apocalyptic number.

It is an amenable number.

122543234501 is a deficient number, since it is larger than the sum of its proper divisors (323162707).

122543234501 is an equidigital number, since it uses as much as digits as its factorization.

122543234501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44103.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 122543234501 its reverse (105432345221), we get a palindrome (227975579722).

The spelling of 122543234501 in words is "one hundred twenty-two billion, five hundred forty-three million, two hundred thirty-four thousand, five hundred one".