121320232 has 16 divisors (see below), whose sum is σ = 248155200. Its totient is φ = 55145520.

The previous prime is 121320223. The next prime is 121320257. The reversal of 121320232 is 232023121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689232 + ... + 689407.

It is an arithmetic number, because the mean of its divisors is an integer number (15509700).

Almost surely, 2^121320232 is an apocalyptic number.

It is an amenable number.

121320232 is an abundant number, since it is smaller than the sum of its proper divisors (126834968).

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

121320232 is a wasteful number, since it uses less digits than its factorization.

121320232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378656 (or 1378652 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 121320232 is about 11014.5463819442. The cubic root of 121320232 is about 495.0446948045.

Adding to 121320232 its reverse (232023121), we get a palindrome (353343353).

The spelling of 121320232 in words is "one hundred twenty-one million, three hundred twenty thousand, two hundred thirty-two".