121132230 has 16 divisors (see below), whose sum is σ = 290717424. Its totient is φ = 32301920.

The previous prime is 121132213. The next prime is 121132241. The reversal of 121132230 is 32231121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2018841 + ... + 2018900.

It is an arithmetic number, because the mean of its divisors is an integer number (18169839).

Almost surely, 2^121132230 is an apocalyptic number.

121132230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121132230 is an abundant number, since it is smaller than the sum of its proper divisors (169585194).

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

121132230 is a wasteful number, since it uses less digits than its factorization.

121132230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4037751.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 121132230 is about 11006.0088133710. The cubic root of 121132230 is about 494.7888498474.

Adding to 121132230 its reverse (32231121), we get a palindrome (153363351).

The spelling of 121132230 in words is "one hundred twenty-one million, one hundred thirty-two thousand, two hundred thirty".