121673738 has 8 divisors (see below), whose sum is σ = 182988288. Its totient is φ = 60677644.

The previous prime is 121673737. The next prime is 121673803. The reversal of 121673738 is 837376121.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121673731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78656 + ... + 80187.

It is an arithmetic number, because the mean of its divisors is an integer number (22873536).

Almost surely, 2^121673738 is an apocalyptic number.

121673738 is a deficient number, since it is larger than the sum of its proper divisors (61314550).

121673738 is a wasteful number, since it uses less digits than its factorization.

121673738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159228.

The product of its digits is 42336, while the sum is 38.

The square root of 121673738 is about 11030.5819429439. The cubic root of 121673738 is about 495.5250531840.

The spelling of 121673738 in words is "one hundred twenty-one million, six hundred seventy-three thousand, seven hundred thirty-eight".