121204115 has 8 divisors (see below), whose sum is σ = 145614240. Its totient is φ = 96850432.

The previous prime is 121204103. The next prime is 121204121. The reversal of 121204115 is 511402121.

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

It is a cyclic number.

It is not a de Polignac number, because 121204115 - 2⁶ = 121204051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121204093 and 121204102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9230 + ... + 18099.

It is an arithmetic number, because the mean of its divisors is an integer number (18201780).

Almost surely, 2^121204115 is an apocalyptic number.

121204115 is a deficient number, since it is larger than the sum of its proper divisors (24410125).

121204115 is an equidigital number, since it uses as much as digits as its factorization.

121204115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28221.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 121204115 is about 11009.2740450949. The cubic root of 121204115 is about 494.8867067183.

Adding to 121204115 its reverse (511402121), we get a palindrome (632606236).

The spelling of 121204115 in words is "one hundred twenty-one million, two hundred four thousand, one hundred fifteen".