1321032201 has 8 divisors (see below), whose sum is σ = 1808981184. Its totient is φ = 856885680.

The previous prime is 1321032199. The next prime is 1321032203. The reversal of 1321032201 is 1022301231.

It is an interprime number because it is at equal distance from previous prime (1321032199) and next prime (1321032203).

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

It is not a de Polignac number, because 1321032201 - 2¹ = 1321032199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1321032203) 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, 5950485 + ... + 5950706.

It is an arithmetic number, because the mean of its divisors is an integer number (226122648).

Almost surely, 2^1321032201 is an apocalyptic number.

It is an amenable number.

1321032201 is a deficient number, since it is larger than the sum of its proper divisors (487948983).

1321032201 is a wasteful number, since it uses less digits than its factorization.

1321032201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11901231.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1321032201 is about 36346.0066719853. The cubic root of 1321032201 is about 1097.2471664340.

Adding to 1321032201 its reverse (1022301231), we get a palindrome (2343333432).

The spelling of 1321032201 in words is "one billion, three hundred twenty-one million, thirty-two thousand, two hundred one".