121550896 has 20 divisors (see below), whose sum is σ = 241250184. Its totient is φ = 59292800.

The previous prime is 121550831. The next prime is 121550917. The reversal of 121550896 is 698055121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91990 + ... + 93301.

Almost surely, 2^121550896 is an apocalyptic number.

121550896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121550896 is a deficient number, since it is larger than the sum of its proper divisors (119699288).

121550896 is a wasteful number, since it uses less digits than its factorization.

121550896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185340 (or 185334 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 37.

The square root of 121550896 is about 11025.0122902426. The cubic root of 121550896 is about 495.3582360703.

The spelling of 121550896 in words is "one hundred twenty-one million, five hundred fifty thousand, eight hundred ninety-six".