121393934 has 4 divisors (see below), whose sum is σ = 182090904. Its totient is φ = 60696966.

The previous prime is 121393847. The next prime is 121393949. The reversal of 121393934 is 439393121.

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

It is a junction number, because it is equal to n+sod(n) for n = 121393894 and 121393903.

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, 30348482 + ... + 30348485.

It is an arithmetic number, because the mean of its divisors is an integer number (45522726).

Almost surely, 2^121393934 is an apocalyptic number.

121393934 is a deficient number, since it is larger than the sum of its proper divisors (60696970).

121393934 is an equidigital number, since it uses as much as digits as its factorization.

121393934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60696969.

The product of its digits is 17496, while the sum is 35.

The square root of 121393934 is about 11017.8915405807. The cubic root of 121393934 is about 495.1449210065.

The spelling of 121393934 in words is "one hundred twenty-one million, three hundred ninety-three thousand, nine hundred thirty-four".