121122115 has 8 divisors (see below), whose sum is σ = 150035328. Its totient is φ = 93771840.

The previous prime is 121122107. The next prime is 121122139. The reversal of 121122115 is 511221121.

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

It is not a de Polignac number, because 121122115 - 2³ = 121122107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 390562 + ... + 390871.

It is an arithmetic number, because the mean of its divisors is an integer number (18754416).

Almost surely, 2^121122115 is an apocalyptic number.

121122115 is a deficient number, since it is larger than the sum of its proper divisors (28913213).

121122115 is an equidigital number, since it uses as much as digits as its factorization.

121122115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781469.

The product of its digits is 40, while the sum is 16.

The square root of 121122115 is about 11005.5492820668. The cubic root of 121122115 is about 494.7750772164.

Adding to 121122115 its reverse (511221121), we get a palindrome (632343236).

The spelling of 121122115 in words is "one hundred twenty-one million, one hundred twenty-two thousand, one hundred fifteen".