1201300321 has 8 divisors (see below), whose sum is σ = 1338319080. Its totient is φ = 1070654592.

The previous prime is 1201300319. The next prime is 1201300339. The reversal of 1201300321 is 1230031021.

It can be written as a sum of positive squares in 4 ways, for example, as 149206225 + 1052094096 = 12215^2 + 32436^2 .

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 1201300321 - 2¹ = 1201300319 is a prime.

It is a super-2 number, since 2×1201300321² = 2886244922469406082, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201300381) 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, 1592860 + ... + 1593613.

It is an arithmetic number, because the mean of its divisors is an integer number (167289885).

Almost surely, 2^1201300321 is an apocalyptic number.

It is an amenable number.

1201300321 is a deficient number, since it is larger than the sum of its proper divisors (137018759).

1201300321 is a wasteful number, since it uses less digits than its factorization.

1201300321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3186515.

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

The square root of 1201300321 is about 34659.7795867198. The cubic root of 1201300321 is about 1063.0422631960.

Adding to 1201300321 its reverse (1230031021), we get a palindrome (2431331342).

The spelling of 1201300321 in words is "one billion, two hundred one million, three hundred thousand, three hundred twenty-one".