1321301201 has 16 divisors (see below), whose sum is σ = 1462576128. Its totient is φ = 1183669200.

The previous prime is 1321301147. The next prime is 1321301207. The reversal of 1321301201 is 1021031231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1321301201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1321301207) 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, 236300 + ... + 241826.

It is an arithmetic number, because the mean of its divisors is an integer number (91411008).

Almost surely, 2^1321301201 is an apocalyptic number.

1321301201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1321301201 is a deficient number, since it is larger than the sum of its proper divisors (141274927).

1321301201 is a wasteful number, since it uses less digits than its factorization.

1321301201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5852.

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

The square root of 1321301201 is about 36349.7070277052. The cubic root of 1321301201 is about 1097.3216383648.

Adding to 1321301201 its reverse (1021031231), we get a palindrome (2342332432).

It can be divided in two parts, 132130 and 1201, that added together give a palindrome (133331).

The spelling of 1321301201 in words is "one billion, three hundred twenty-one million, three hundred one thousand, two hundred one".