122745089 has 8 divisors (see below), whose sum is σ = 132214272. Its totient is φ = 113620320.

The previous prime is 122745067. The next prime is 122745097. The reversal of 122745089 is 980547221.

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 122745089 - 2¹⁶ = 122679553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122745019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85364 + ... + 86789.

It is an arithmetic number, because the mean of its divisors is an integer number (16526784).

Almost surely, 2^122745089 is an apocalyptic number.

It is an amenable number.

122745089 is a deficient number, since it is larger than the sum of its proper divisors (9469183).

122745089 is a wasteful number, since it uses less digits than its factorization.

122745089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172207.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 122745089 is about 11079.0382705359. The cubic root of 122745089 is about 496.9751899489.

The spelling of 122745089 in words is "one hundred twenty-two million, seven hundred forty-five thousand, eighty-nine".