121960906 has 8 divisors (see below), whose sum is σ = 186042240. Its totient is φ = 59946828.

The previous prime is 121960879. The next prime is 121960919. The reversal of 121960906 is 609069121.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516666 + ... + 516901.

It is an arithmetic number, because the mean of its divisors is an integer number (23255280).

Almost surely, 2^121960906 is an apocalyptic number.

121960906 is a deficient number, since it is larger than the sum of its proper divisors (64081334).

121960906 is a wasteful number, since it uses less digits than its factorization.

121960906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033628.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 121960906 is about 11043.5911731646. The cubic root of 121960906 is about 495.9145843420.

The spelling of 121960906 in words is "one hundred twenty-one million, nine hundred sixty thousand, nine hundred six".