121807230 has 32 divisors (see below), whose sum is σ = 293043744. Its totient is φ = 32403456.

The previous prime is 121807207. The next prime is 121807237. The reversal of 121807230 is 32708121.

It is a self number, because there is not a number n which added to its sum of digits gives 121807230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121807237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8302 + ... + 17678.

It is an arithmetic number, because the mean of its divisors is an integer number (9157617).

Almost surely, 2^121807230 is an apocalyptic number.

121807230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121807230 is an abundant number, since it is smaller than the sum of its proper divisors (171236514).

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

121807230 is a wasteful number, since it uses less digits than its factorization.

121807230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9820.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 121807230 is about 11036.6312795164. The cubic root of 121807230 is about 495.7062055427.

The spelling of 121807230 in words is "one hundred twenty-one million, eight hundred seven thousand, two hundred thirty".