121200938 has 16 divisors (see below), whose sum is σ = 191163456. Its totient is φ = 57520320.

The previous prime is 121200907. The next prime is 121200941. The reversal of 121200938 is 839002121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4031 + ... + 16082.

It is an arithmetic number, because the mean of its divisors is an integer number (11947716).

Almost surely, 2^121200938 is an apocalyptic number.

121200938 is a deficient number, since it is larger than the sum of its proper divisors (69962518).

121200938 is a wasteful number, since it uses less digits than its factorization.

121200938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20269.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 121200938 is about 11009.1297567065. The cubic root of 121200938 is about 494.8823826935.

The spelling of 121200938 in words is "one hundred twenty-one million, two hundred thousand, nine hundred thirty-eight".