121320230 has 16 divisors (see below), whose sum is σ = 223703424. Its totient is φ = 47344320.

The previous prime is 121320223. The next prime is 121320257. The reversal of 121320230 is 32023121.

It is a happy number.

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, 147542 + ... + 148361.

It is an arithmetic number, because the mean of its divisors is an integer number (13981464).

Almost surely, 2^121320230 is an apocalyptic number.

121320230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121320230 is a deficient number, since it is larger than the sum of its proper divisors (102383194).

121320230 is a wasteful number, since it uses less digits than its factorization.

121320230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295951.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 121320230 is about 11014.5462911552. The cubic root of 121320230 is about 495.0446920842.

Adding to 121320230 its reverse (32023121), we get a palindrome (153343351).

The spelling of 121320230 in words is "one hundred twenty-one million, three hundred twenty thousand, two hundred thirty".