121335994 has 32 divisors (see below), whose sum is σ = 205478784. Its totient is φ = 53317440.

The previous prime is 121335983. The next prime is 121336009. The reversal of 121335994 is 499533121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197632 + ... + 198244.

It is an arithmetic number, because the mean of its divisors is an integer number (6421212).

Almost surely, 2^121335994 is an apocalyptic number.

121335994 is a deficient number, since it is larger than the sum of its proper divisors (84142790).

121335994 is a wasteful number, since it uses less digits than its factorization.

121335994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982.

The product of its digits is 29160, while the sum is 37.

The square root of 121335994 is about 11015.2618670643. The cubic root of 121335994 is about 495.0661327144.

The spelling of 121335994 in words is "one hundred twenty-one million, three hundred thirty-five thousand, nine hundred ninety-four".