122677021749 has 16 divisors (see below), whose sum is σ = 173267448192. Its totient is φ = 76939880448.

The previous prime is 122677021739. The next prime is 122677021763. The reversal of 122677021749 is 947120776221.

It is not a de Polignac number, because 122677021749 - 2²⁴ = 122660244533 is a prime.

It is a super-3 number, since 3×122677021749³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122677021698 and 122677021707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122677021739) 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 15 ways as a sum of consecutive naturals, for example, 413209 + ... + 645054.

It is an arithmetic number, because the mean of its divisors is an integer number (10829215512).

Almost surely, 2^122677021749 is an apocalyptic number.

It is an amenable number.

122677021749 is a deficient number, since it is larger than the sum of its proper divisors (50590426443).

122677021749 is a wasteful number, since it uses less digits than its factorization.

122677021749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060556.

The product of its (nonzero) digits is 592704, while the sum is 48.

The spelling of 122677021749 in words is "one hundred twenty-two billion, six hundred seventy-seven million, twenty-one thousand, seven hundred forty-nine".