121131230 has 16 divisors (see below), whose sum is σ = 237857904. Its totient is φ = 44047680.

The previous prime is 121131223. The next prime is 121131281. The reversal of 121131230 is 32131121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550487 + ... + 550706.

It is an arithmetic number, because the mean of its divisors is an integer number (14866119).

Almost surely, 2^121131230 is an apocalyptic number.

121131230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121131230 is a deficient number, since it is larger than the sum of its proper divisors (116726674).

121131230 is a wasteful number, since it uses less digits than its factorization.

121131230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101211.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 121131230 is about 11005.9633835480. The cubic root of 121131230 is about 494.7874882769.

Adding to 121131230 its reverse (32131121), we get a palindrome (153262351).

The spelling of 121131230 in words is "one hundred twenty-one million, one hundred thirty-one thousand, two hundred thirty".