121606850 has 12 divisors (see below), whose sum is σ = 226188834. Its totient is φ = 48642720.

The previous prime is 121606843. The next prime is 121606867. The reversal of 121606850 is 58606121.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 106853569 + 14753281 = 10337^2 + 3841^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1216019 + ... + 1216118.

Almost surely, 2^121606850 is an apocalyptic number.

121606850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121606850 is a deficient number, since it is larger than the sum of its proper divisors (104581984).

121606850 is a wasteful number, since it uses less digits than its factorization.

121606850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2432149 (or 2432144 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 121606850 is about 11027.5495918178. The cubic root of 121606850 is about 495.4342344756.

The spelling of 121606850 in words is "one hundred twenty-one million, six hundred six thousand, eight hundred fifty".