133102241 has 2 divisors, whose sum is σ = 133102242. Its totient is φ = 133102240.

The previous prime is 133102217. The next prime is 133102253. The reversal of 133102241 is 142201331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128709025 + 4393216 = 11345^2 + 2096^2 .

It is an emirp because it is prime and its reverse (142201331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133102241 - 2¹⁰ = 133101217 is a prime.

It is not a weakly prime, because it can be changed into another prime (133102271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66551120 + 66551121.

It is an arithmetic number, because the mean of its divisors is an integer number (66551121).

Almost surely, 2^133102241 is an apocalyptic number.

It is an amenable number.

133102241 is a deficient number, since it is larger than the sum of its proper divisors (1).

133102241 is an equidigital number, since it uses as much as digits as its factorization.

133102241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 133102241 is about 11536.9944526293. The cubic root of 133102241 is about 510.5776371911.

Adding to 133102241 its reverse (142201331), we get a palindrome (275303572).

It can be divided in two parts, 13310 and 2241, that added together give a palindrome (15551).

The spelling of 133102241 in words is "one hundred thirty-three million, one hundred two thousand, two hundred forty-one".