133321124 has 6 divisors (see below), whose sum is σ = 233311974. Its totient is φ = 66660560.

The previous prime is 133321117. The next prime is 133321127. The reversal of 133321124 is 421123331.

133321124 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 88698724 + 44622400 = 9418^2 + 6680^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133321096 and 133321105.

It is not an unprimeable number, because it can be changed into a prime (133321127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16665137 + ... + 16665144.

It is an arithmetic number, because the mean of its divisors is an integer number (38885329).

Almost surely, 2^133321124 is an apocalyptic number.

It is an amenable number.

133321124 is a deficient number, since it is larger than the sum of its proper divisors (99990850).

133321124 is a wasteful number, since it uses less digits than its factorization.

133321124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33330285 (or 33330283 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 133321124 is about 11546.4766920477. The cubic root of 133321124 is about 510.8573609075.

Adding to 133321124 its reverse (421123331), we get a palindrome (554444455).

The spelling of 133321124 in words is "one hundred thirty-three million, three hundred twenty-one thousand, one hundred twenty-four".