122771089 has 8 divisors (see below), whose sum is σ = 140940800. Its totient is φ = 104759136.

The previous prime is 122771081. The next prime is 122771147. The reversal of 122771089 is 980177221.

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 122771089 - 2³ = 122771081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122771081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37764 + ... + 40885.

It is an arithmetic number, because the mean of its divisors is an integer number (17617600).

Almost surely, 2^122771089 is an apocalyptic number.

It is an amenable number.

122771089 is a deficient number, since it is larger than the sum of its proper divisors (18169711).

122771089 is an equidigital number, since it uses as much as digits as its factorization.

122771089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78879.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 122771089 is about 11080.2115954525. The cubic root of 122771089 is about 497.0102774157.

It can be divided in two parts, 12277 and 1089, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 122771089 in words is "one hundred twenty-two million, seven hundred seventy-one thousand, eighty-nine".