122143647743 has 16 divisors (see below), whose sum is σ = 132341508096. Its totient is φ = 112062424320.

The previous prime is 122143647683. The next prime is 122143647749. The reversal of 122143647743 is 347746341221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122143647743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122143647694 and 122143647703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122143647749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1408130 + ... + 1492352.

It is an arithmetic number, because the mean of its divisors is an integer number (8271344256).

Almost surely, 2^122143647743 is an apocalyptic number.

122143647743 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122143647743 is a deficient number, since it is larger than the sum of its proper divisors (10197860353).

122143647743 is a wasteful number, since it uses less digits than its factorization.

122143647743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84914.

The product of its digits is 677376, while the sum is 44.

Adding to 122143647743 its reverse (347746341221), we get a palindrome (469889988964).

The spelling of 122143647743 in words is "one hundred twenty-two billion, one hundred forty-three million, six hundred forty-seven thousand, seven hundred forty-three".