1301220233 has 4 divisors (see below), whose sum is σ = 1303625988. Its totient is φ = 1298814480.

The previous prime is 1301220209. The next prime is 1301220241. The reversal of 1301220233 is 3320221031.

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

It can be written as a sum of positive squares in 2 ways, for example, as 300953104 + 1000267129 = 17348^2 + 31627^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301220233 - 2⁸ = 1301219977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301220203) 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, 1202066 + ... + 1203147.

It is an arithmetic number, because the mean of its divisors is an integer number (325906497).

Almost surely, 2^1301220233 is an apocalyptic number.

It is an amenable number.

1301220233 is a deficient number, since it is larger than the sum of its proper divisors (2405755).

1301220233 is an equidigital number, since it uses as much as digits as its factorization.

1301220233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405754.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1301220233 is about 36072.4303727930. The cubic root of 1301220233 is about 1091.7342515610.

Adding to 1301220233 its reverse (3320221031), we get a palindrome (4621441264).

The spelling of 1301220233 in words is "one billion, three hundred one million, two hundred twenty thousand, two hundred thirty-three".