121994134 has 4 divisors (see below), whose sum is σ = 182991204. Its totient is φ = 60997066.

The previous prime is 121994129. The next prime is 121994141. The reversal of 121994134 is 431499121.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121994134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30498532 + ... + 30498535.

It is an arithmetic number, because the mean of its divisors is an integer number (45747801).

Almost surely, 2^121994134 is an apocalyptic number.

121994134 is a deficient number, since it is larger than the sum of its proper divisors (60997070).

121994134 is an equidigital number, since it uses as much as digits as its factorization.

121994134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60997069.

The product of its digits is 7776, while the sum is 34.

The square root of 121994134 is about 11045.0954726521. The cubic root of 121994134 is about 495.9596172247.

The spelling of 121994134 in words is "one hundred twenty-one million, nine hundred ninety-four thousand, one hundred thirty-four".