121994935 has 4 divisors (see below), whose sum is σ = 146393928. Its totient is φ = 97595944.

The previous prime is 121994927. The next prime is 121994963. The reversal of 121994935 is 539499121.

121994935 is nontrivially palindromic in base 15.

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

It is a cyclic number.

It is not a de Polignac number, because 121994935 - 2³ = 121994927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121994891 and 121994900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12199489 + ... + 12199498.

It is an arithmetic number, because the mean of its divisors is an integer number (36598482).

Almost surely, 2^121994935 is an apocalyptic number.

121994935 is a deficient number, since it is larger than the sum of its proper divisors (24398993).

121994935 is an equidigital number, since it uses as much as digits as its factorization.

121994935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24398992.

The product of its digits is 87480, while the sum is 43.

The square root of 121994935 is about 11045.1317330306. The cubic root of 121994935 is about 495.9607026944.

The spelling of 121994935 in words is "one hundred twenty-one million, nine hundred ninety-four thousand, nine hundred thirty-five".