122861121 has 8 divisors (see below), whose sum is σ = 163934880. Its totient is φ = 81847392.

The previous prime is 122861107. The next prime is 122861129. The reversal of 122861121 is 121168221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122861121 - 2⁷ = 122860993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122861091 and 122861100.

It is not an unprimeable number, because it can be changed into a prime (122861129) 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, 9991 + ... + 18588.

It is an arithmetic number, because the mean of its divisors is an integer number (20491860).

Almost surely, 2^122861121 is an apocalyptic number.

It is an amenable number.

122861121 is a deficient number, since it is larger than the sum of its proper divisors (41073759).

122861121 is a wasteful number, since it uses less digits than its factorization.

122861121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30015.

The product of its digits is 384, while the sum is 24.

The square root of 122861121 is about 11084.2735891893. The cubic root of 122861121 is about 497.1317389531.

The spelling of 122861121 in words is "one hundred twenty-two million, eight hundred sixty-one thousand, one hundred twenty-one".