121740088 has 8 divisors (see below), whose sum is σ = 228262680. Its totient is φ = 60870040.

The previous prime is 121740071. The next prime is 121740097. The reversal of 121740088 is 880047121.

It is a tau number, because it is divible by the number of its divisors (8).

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, 7608748 + ... + 7608763.

It is an arithmetic number, because the mean of its divisors is an integer number (28532835).

Almost surely, 2^121740088 is an apocalyptic number.

It is an amenable number.

121740088 is a deficient number, since it is larger than the sum of its proper divisors (106522592).

121740088 is a wasteful number, since it uses less digits than its factorization.

121740088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15217517 (or 15217513 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 121740088 is about 11033.5890806210. The cubic root of 121740088 is about 495.6151085330.

The spelling of 121740088 in words is "one hundred twenty-one million, seven hundred forty thousand, eighty-eight".