133012001 has 2 divisors, whose sum is σ = 133012002. Its totient is φ = 133012000.

The previous prime is 133011947. The next prime is 133012007. The reversal of 133012001 is 100210331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70980625 + 62031376 = 8425^2 + 7876^2 .

It is a cyclic number.

It is not a de Polignac number, because 133012001 - 2¹⁸ = 132749857 is a prime.

It is not a weakly prime, because it can be changed into another prime (133012007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66506000 + 66506001.

It is an arithmetic number, because the mean of its divisors is an integer number (66506001).

Almost surely, 2^133012001 is an apocalyptic number.

It is an amenable number.

133012001 is a deficient number, since it is larger than the sum of its proper divisors (1).

133012001 is an equidigital number, since it uses as much as digits as its factorization.

133012001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 133012001 is about 11533.0828922713. The cubic root of 133012001 is about 510.4622248033.

Adding to 133012001 its reverse (100210331), we get a palindrome (233222332).

It can be divided in two parts, 1330 and 12001, that added together give a palindrome (13331).

The spelling of 133012001 in words is "one hundred thirty-three million, twelve thousand, one".