133230120 has 64 divisors (see below), whose sum is σ = 400645440. Its totient is φ = 35443200.

The previous prime is 133230091. The next prime is 133230121. The reversal of 133230120 is 21032331.

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

It is a self number, because there is not a number n which added to its sum of digits gives 133230120.

It is not an unprimeable number, because it can be changed into a prime (133230121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61455 + ... + 63585.

It is an arithmetic number, because the mean of its divisors is an integer number (6260085).

Almost surely, 2^133230120 is an apocalyptic number.

133230120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133230120 is an abundant number, since it is smaller than the sum of its proper divisors (267415320).

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

133230120 is a wasteful number, since it uses less digits than its factorization.

133230120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666 (or 2662 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 133230120 is about 11542.5352501086. The cubic root of 133230120 is about 510.7410986484.

Adding to 133230120 its reverse (21032331), we get a palindrome (154262451).

The spelling of 133230120 in words is "one hundred thirty-three million, two hundred thirty thousand, one hundred twenty".