133120203 has 4 divisors (see below), whose sum is σ = 177493608. Its totient is φ = 88746800.

The previous prime is 133120201. The next prime is 133120261. The reversal of 133120203 is 302021331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133120203 - 2¹ = 133120201 is a prime.

It is a super-2 number, since 2×133120203² = 35441976893522418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133120201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22186698 + ... + 22186703.

It is an arithmetic number, because the mean of its divisors is an integer number (44373402).

Almost surely, 2^133120203 is an apocalyptic number.

133120203 is a deficient number, since it is larger than the sum of its proper divisors (44373405).

133120203 is an equidigital number, since it uses as much as digits as its factorization.

133120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44373404.

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

The square root of 133120203 is about 11537.7728786798. The cubic root of 133120203 is about 510.6006034536.

Adding to 133120203 its reverse (302021331), we get a palindrome (435141534).

The spelling of 133120203 in words is "one hundred thirty-three million, one hundred twenty thousand, two hundred three".