122960989 has 8 divisors (see below), whose sum is σ = 129536640. Its totient is φ = 116395776.

The previous prime is 122960963. The next prime is 122960993. The reversal of 122960989 is 989069221.

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 122960989 - 2⁷ = 122960861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122960939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37629 + ... + 40765.

It is an arithmetic number, because the mean of its divisors is an integer number (16192080).

Almost surely, 2^122960989 is an apocalyptic number.

122960989 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

122960989 is a deficient number, since it is larger than the sum of its proper divisors (6575651).

122960989 is a wasteful number, since it uses less digits than its factorization.

122960989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5219.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 122960989 is about 11088.7776152288. Note that the first 3 decimals coincide. The cubic root of 122960989 is about 497.2664007732.

The spelling of 122960989 in words is "one hundred twenty-two million, nine hundred sixty thousand, nine hundred eighty-nine".