121773108 has 24 divisors (see below), whose sum is σ = 300851712. Its totient is φ = 38203264.

The previous prime is 121773077. The next prime is 121773131. The reversal of 121773108 is 801377121.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 298260 + ... + 298667.

It is an arithmetic number, because the mean of its divisors is an integer number (12535488).

Almost surely, 2^121773108 is an apocalyptic number.

It is an amenable number.

121773108 is an abundant number, since it is smaller than the sum of its proper divisors (179078604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121773108 is a wasteful number, since it uses less digits than its factorization.

121773108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596951 (or 596949 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 121773108 is about 11035.0853191083. The cubic root of 121773108 is about 495.6599136359.

The spelling of 121773108 in words is "one hundred twenty-one million, seven hundred seventy-three thousand, one hundred eight".