121026115 has 16 divisors (see below), whose sum is σ = 173196288. Its totient is φ = 79380576.

The previous prime is 121026107. The next prime is 121026121. The reversal of 121026115 is 511620121.

It is a cyclic number.

It is not a de Polignac number, because 121026115 - 2³ = 121026107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121026092 and 121026101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74367 + ... + 75976.

It is an arithmetic number, because the mean of its divisors is an integer number (10824768).

Almost surely, 2^121026115 is an apocalyptic number.

121026115 is a deficient number, since it is larger than the sum of its proper divisors (52170173).

121026115 is a wasteful number, since it uses less digits than its factorization.

121026115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150378.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 121026115 is about 11001.1869814125. The cubic root of 121026115 is about 494.6443249811.

Adding to 121026115 its reverse (511620121), we get a palindrome (632646236).

The spelling of 121026115 in words is "one hundred twenty-one million, twenty-six thousand, one hundred fifteen".