122768753387 has 12 divisors (see below), whose sum is σ = 144620390880. Its totient is φ = 103898326896.

The previous prime is 122768753333. The next prime is 122768753413. The reversal of 122768753387 is 783357867221.

It is not a de Polignac number, because 122768753387 - 2²⁰ = 122767704811 is a prime.

It is a super-3 number, since 3×122768753387³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (122768753287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15853628 + ... + 15861369.

It is an arithmetic number, because the mean of its divisors is an integer number (12051699240).

Almost surely, 2^122768753387 is an apocalyptic number.

122768753387 is a deficient number, since it is larger than the sum of its proper divisors (21851637493).

122768753387 is an equidigital number, since it uses as much as digits as its factorization.

122768753387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31715090 (or 31715083 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 59.

The spelling of 122768753387 in words is "one hundred twenty-two billion, seven hundred sixty-eight million, seven hundred fifty-three thousand, three hundred eighty-seven".