121226115 has 16 divisors (see below), whose sum is σ = 196858368. Its totient is φ = 63688416.

The previous prime is 121226101. The next prime is 121226153. The reversal of 121226115 is 511622121.

It is not a de Polignac number, because 121226115 - 2⁶ = 121226051 is a prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 121226091 and 121226100.

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, 59307 + ... + 61316.

It is an arithmetic number, because the mean of its divisors is an integer number (12303648).

Almost surely, 2^121226115 is an apocalyptic number.

121226115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121226115 is a deficient number, since it is larger than the sum of its proper divisors (75632253).

121226115 is a wasteful number, since it uses less digits than its factorization.

121226115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120698.

The product of its digits is 240, while the sum is 21.

The square root of 121226115 is about 11010.2731573744. The cubic root of 121226115 is about 494.9166475303.

Adding to 121226115 its reverse (511622121), we get a palindrome (632848236).

The spelling of 121226115 in words is "one hundred twenty-one million, two hundred twenty-six thousand, one hundred fifteen".