121407806 has 16 divisors (see below), whose sum is σ = 200905488. Its totient is φ = 54667200.

The previous prime is 121407709. The next prime is 121407857. The reversal of 121407806 is 608704121.

It is a Curzon number.

It is a congruent number.

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, 55880 + ... + 58011.

It is an arithmetic number, because the mean of its divisors is an integer number (12556593).

Almost surely, 2^121407806 is an apocalyptic number.

121407806 is a deficient number, since it is larger than the sum of its proper divisors (79497682).

121407806 is a wasteful number, since it uses less digits than its factorization.

121407806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113947.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 121407806 is about 11018.5210441329. The cubic root of 121407806 is about 495.1637807867.

The spelling of 121407806 in words is "one hundred twenty-one million, four hundred seven thousand, eight hundred six".