121194238 has 16 divisors (see below), whose sum is σ = 199511424. Its totient is φ = 54756760.

The previous prime is 121194233. The next prime is 121194259. The reversal of 121194238 is 832491121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121194233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12820 + ... + 20167.

It is an arithmetic number, because the mean of its divisors is an integer number (12469464).

Almost surely, 2^121194238 is an apocalyptic number.

121194238 is a deficient number, since it is larger than the sum of its proper divisors (78317186).

121194238 is a wasteful number, since it uses less digits than its factorization.

121194238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33167.

The product of its digits is 3456, while the sum is 31.

The square root of 121194238 is about 11008.8254596029. The cubic root of 121194238 is about 494.8732634762.

The spelling of 121194238 in words is "one hundred twenty-one million, one hundred ninety-four thousand, two hundred thirty-eight".