1301221130 has 32 divisors (see below), whose sum is σ = 2557094400. Its totient is φ = 472806720.

The previous prime is 1301221109. The next prime is 1301221139. The reversal of 1301221130 is 311221031.

It is not an unprimeable number, because it can be changed into a prime (1301221139) 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, 168596 + ... + 176144.

It is an arithmetic number, because the mean of its divisors is an integer number (79909200).

Almost surely, 2^1301221130 is an apocalyptic number.

1301221130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1301221130 is a deficient number, since it is larger than the sum of its proper divisors (1255873270).

1301221130 is a wasteful number, since it uses less digits than its factorization.

1301221130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9134.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1301221130 is about 36072.4428061089. The cubic root of 1301221130 is about 1091.7345024244.

Adding to 1301221130 its reverse (311221031), we get a palindrome (1612442161).

Subtracting from 1301221130 its reverse (311221031), we obtain a palindrome (990000099).

The spelling of 1301221130 in words is "one billion, three hundred one million, two hundred twenty-one thousand, one hundred thirty".