121799292 has 24 divisors (see below), whose sum is σ = 284543616. Its totient is φ = 40550448.

The previous prime is 121799287. The next prime is 121799299. The reversal of 121799292 is 292997121.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4923 + ... + 16365.

It is an arithmetic number, because the mean of its divisors is an integer number (11855984).

Almost surely, 2^121799292 is an apocalyptic number.

121799292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121799292 is an abundant number, since it is smaller than the sum of its proper divisors (162744324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121799292 is a wasteful number, since it uses less digits than its factorization.

121799292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12337 (or 12335 counting only the distinct ones).

The product of its digits is 40824, while the sum is 42.

The square root of 121799292 is about 11036.2716530539. The cubic root of 121799292 is about 495.6954371580.

The spelling of 121799292 in words is "one hundred twenty-one million, seven hundred ninety-nine thousand, two hundred ninety-two".