121799294 has 4 divisors (see below), whose sum is σ = 182698944. Its totient is φ = 60899646.

The previous prime is 121799287. The next prime is 121799299. The reversal of 121799294 is 492997121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121799299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30449822 + ... + 30449825.

It is an arithmetic number, because the mean of its divisors is an integer number (45674736).

Almost surely, 2^121799294 is an apocalyptic number.

121799294 is a deficient number, since it is larger than the sum of its proper divisors (60899650).

121799294 is an equidigital number, since it uses as much as digits as its factorization.

121799294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60899649.

The product of its digits is 81648, while the sum is 44.

The square root of 121799294 is about 11036.2717436642. The cubic root of 121799294 is about 495.6954398712.

The spelling of 121799294 in words is "one hundred twenty-one million, seven hundred ninety-nine thousand, two hundred ninety-four".