122115018 has 8 divisors (see below), whose sum is σ = 244230048. Its totient is φ = 40705004.

The previous prime is 122115001. The next prime is 122115043. The reversal of 122115018 is 810511221.

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

122115018 is an admirable number.

It is a super-2 number, since 2×122115018² = 29824155242280648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122114985 and 122115003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10176246 + ... + 10176257.

It is an arithmetic number, because the mean of its divisors is an integer number (30528756).

Almost surely, 2^122115018 is an apocalyptic number.

122115018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122115018 is a wasteful number, since it uses less digits than its factorization.

122115018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20352508.

The product of its (nonzero) digits is 160, while the sum is 21.

The square root of 122115018 is about 11050.5664108226. The cubic root of 122115018 is about 496.1233786249.

Adding to 122115018 its reverse (810511221), we get a palindrome (932626239).

The spelling of 122115018 in words is "one hundred twenty-two million, one hundred fifteen thousand, eighteen".