1220133001 has 8 divisors (see below), whose sum is σ = 1233388800. Its totient is φ = 1206945600.

The previous prime is 1220132987. The next prime is 1220133017. The reversal of 1220133001 is 1003310221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220133001 - 2⁷ = 1220132873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220133071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19185 + ... + 52993.

It is an arithmetic number, because the mean of its divisors is an integer number (154173600).

Almost surely, 2^1220133001 is an apocalyptic number.

It is an amenable number.

1220133001 is a deficient number, since it is larger than the sum of its proper divisors (13255799).

1220133001 is a wasteful number, since it uses less digits than its factorization.

1220133001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34199.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1220133001 is about 34930.4022450358. The cubic root of 1220133001 is about 1068.5685581157.

Adding to 1220133001 its reverse (1003310221), we get a palindrome (2223443222).

The spelling of 1220133001 in words is "one billion, two hundred twenty million, one hundred thirty-three thousand, one".