121860106 has 8 divisors (see below), whose sum is σ = 183093120. Its totient is φ = 60829068.

The previous prime is 121860073. The next prime is 121860119. The reversal of 121860106 is 601068121.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48976 + ... + 51403.

It is an arithmetic number, because the mean of its divisors is an integer number (22886640).

Almost surely, 2^121860106 is an apocalyptic number.

121860106 is a deficient number, since it is larger than the sum of its proper divisors (61233014).

121860106 is a wasteful number, since it uses less digits than its factorization.

121860106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100988.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 121860106 is about 11039.0264969335. The cubic root of 121860106 is about 495.7779231508. Note that the first 3 decimals are identical.

The spelling of 121860106 in words is "one hundred twenty-one million, eight hundred sixty thousand, one hundred six".