121697700 has 36 divisors (see below), whose sum is σ = 352112880. Its totient is φ = 32452640.

The previous prime is 121697689. The next prime is 121697701. The reversal of 121697700 is 7796121.

It is not an unprimeable number, because it can be changed into a prime (121697701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202530 + ... + 203129.

Almost surely, 2^121697700 is an apocalyptic number.

121697700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121697700 is an abundant number, since it is smaller than the sum of its proper divisors (230415180).

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

121697700 is a wasteful number, since it uses less digits than its factorization.

121697700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405676 (or 405669 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 121697700 is about 11031.6680515686. The cubic root of 121697700 is about 495.5575800385.

The spelling of 121697700 in words is "one hundred twenty-one million, six hundred ninety-seven thousand, seven hundred".