121713196 has 24 divisors (see below), whose sum is σ = 234979920. Its totient is φ = 54700800.

The previous prime is 121713191. The next prime is 121713199. The reversal of 121713196 is 691317121.

It is not an unprimeable number, because it can be changed into a prime (121713191) 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 7 ways as a sum of consecutive naturals, for example, 11625 + ... + 19456.

It is an arithmetic number, because the mean of its divisors is an integer number (9790830).

Almost surely, 2^121713196 is an apocalyptic number.

It is an amenable number.

121713196 is a deficient number, since it is larger than the sum of its proper divisors (113266724).

121713196 is a wasteful number, since it uses less digits than its factorization.

121713196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31185 (or 31183 counting only the distinct ones).

The product of its digits is 2268, while the sum is 31.

The square root of 121713196 is about 11032.3703708677. The cubic root of 121713196 is about 495.5786125761.

It can be divided in two parts, 121 and 713196, that added together give a palindrome (713317).

The spelling of 121713196 in words is "one hundred twenty-one million, seven hundred thirteen thousand, one hundred ninety-six".