121994 has 8 divisors (see below), whose sum is σ = 184548. Its totient is φ = 60480.

The previous prime is 121993. The next prime is 121997. The reversal of 121994 is 499121.

It can be written as a sum of positive squares in 2 ways, for example, as 97969 + 24025 = 313^2 + 155^2 .

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 (121993) 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, 194 + ... + 530.

2¹²¹⁹⁹⁴ is an apocalyptic number.

121994 is a deficient number, since it is larger than the sum of its proper divisors (62554).

121994 is a wasteful number, since it uses less digits than its factorization.

121994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520.

The product of its digits is 648, while the sum is 26.

The square root of 121994 is about 349.2763948508. The cubic root of 121994 is about 49.5959435635.

The spelling of 121994 in words is "one hundred twenty-one thousand, nine hundred ninety-four".