121136896 has 18 divisors (see below), whose sum is σ = 241801112. Its totient is φ = 60568320.

The previous prime is 121136893. The next prime is 121136903. The reversal of 121136896 is 698631121.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121136893) 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 as a sum of consecutive naturals, namely, 236340 + ... + 236851.

Almost surely, 2^121136896 is an apocalyptic number.

121136896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121136896 is a deficient number, since it is larger than the sum of its proper divisors (120664216).

121136896 is an frugal number, since it uses more digits than its factorization.

121136896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473207 (or 473193 counting only the distinct ones).

The product of its digits is 15552, while the sum is 37.

The square root of 121136896 is about 11006.2207864462. The cubic root of 121136896 is about 494.7952028363.

The spelling of 121136896 in words is "one hundred twenty-one million, one hundred thirty-six thousand, eight hundred ninety-six".