133022001 has 16 divisors (see below), whose sum is σ = 205727744. Its totient is φ = 74877264.

The previous prime is 133021963. The next prime is 133022003. The reversal of 133022001 is 100220331.

It is a happy number.

It is not a de Polignac number, because 133022001 - 2¹⁴ = 133005617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133022003) 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, 45865 + ... + 48678.

It is an arithmetic number, because the mean of its divisors is an integer number (12857984).

Almost surely, 2^133022001 is an apocalyptic number.

It is an amenable number.

133022001 is a deficient number, since it is larger than the sum of its proper divisors (72705743).

133022001 is an equidigital number, since it uses as much as digits as its factorization.

133022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94620.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 133022001 is about 11533.5164195487. The cubic root of 133022001 is about 510.4750168679.

Adding to 133022001 its reverse (100220331), we get a palindrome (233242332).

The spelling of 133022001 in words is "one hundred thirty-three million, twenty-two thousand, one".