121940092 has 6 divisors (see below), whose sum is σ = 213395168. Its totient is φ = 60970044.

The previous prime is 121940059. The next prime is 121940107. The reversal of 121940092 is 290049121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121940092.

It is a congruent number.

It is an unprimeable number.

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, 15242508 + ... + 15242515.

Almost surely, 2^121940092 is an apocalyptic number.

It is an amenable number.

121940092 is a deficient number, since it is larger than the sum of its proper divisors (91455076).

121940092 is a wasteful number, since it uses less digits than its factorization.

121940092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30485027 (or 30485025 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 121940092 is about 11042.6487764485. The cubic root of 121940092 is about 495.8863716036.

The spelling of 121940092 in words is "one hundred twenty-one million, nine hundred forty thousand, ninety-two".