141221232 has 50 divisors (see below), whose sum is σ = 408738968. Its totient is φ = 47073312.

The previous prime is 141221221. The next prime is 141221273. The reversal of 141221232 is 232122141.

It is a happy number.

141221232 is a `hidden beast` number, since 1 + 412 + 21 + 232 = 666.

141221232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 53188 + ... + 55779.

Almost surely, 2^141221232 is an apocalyptic number.

141221232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

141221232 is an abundant number, since it is smaller than the sum of its proper divisors (267517736).

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

141221232 is a wasteful number, since it uses less digits than its factorization.

141221232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108987 (or 108972 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 141221232 is about 11883.6539835187. The cubic root of 141221232 is about 520.7548602810.

Adding to 141221232 its reverse (232122141), we get a palindrome (373343373).

Subtracting 141221232 from its reverse (232122141), we obtain a palindrome (90900909).

The spelling of 141221232 in words is "one hundred forty-one million, two hundred twenty-one thousand, two hundred thirty-two".