121743896 has 16 divisors (see below), whose sum is σ = 228877800. Its totient is φ = 60709824.

The previous prime is 121743893. The next prime is 121743907. The reversal of 121743896 is 698347121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121743893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17045 + ... + 23108.

Almost surely, 2^121743896 is an apocalyptic number.

It is an amenable number.

121743896 is a deficient number, since it is larger than the sum of its proper divisors (107133904).

121743896 is a wasteful number, since it uses less digits than its factorization.

121743896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40538 (or 40534 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 121743896 is about 11033.7616432475. The cubic root of 121743896 is about 495.6202760520.

The spelling of 121743896 in words is "one hundred twenty-one million, seven hundred forty-three thousand, eight hundred ninety-six".