121272230 has 8 divisors (see below), whose sum is σ = 218290032. Its totient is φ = 48508888.

The previous prime is 121272223. The next prime is 121272233. The reversal of 121272230 is 32272121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121272233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6063602 + ... + 6063621.

It is an arithmetic number, because the mean of its divisors is an integer number (27286254).

Almost surely, 2^121272230 is an apocalyptic number.

121272230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121272230 is a deficient number, since it is larger than the sum of its proper divisors (97017802).

121272230 is a wasteful number, since it uses less digits than its factorization.

121272230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12127230.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 121272230 is about 11012.3671388126. The cubic root of 121272230 is about 494.9793958026.

The spelling of 121272230 in words is "one hundred twenty-one million, two hundred seventy-two thousand, two hundred thirty".