1302023201 has 2 divisors, whose sum is σ = 1302023202. Its totient is φ = 1302023200.

The previous prime is 1302023197. The next prime is 1302023213. The reversal of 1302023201 is 1023202031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1111555600 + 190467601 = 33340^2 + 13801^2 .

It is an emirp because it is prime and its reverse (1023202031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1302023201 - 2² = 1302023197 is a prime.

It is not a weakly prime, because it can be changed into another prime (1302023291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651011600 + 651011601.

It is an arithmetic number, because the mean of its divisors is an integer number (651011601).

Almost surely, 2^1302023201 is an apocalyptic number.

It is an amenable number.

1302023201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302023201 is an equidigital number, since it uses as much as digits as its factorization.

1302023201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1302023201 is about 36083.5585966795. The cubic root of 1302023201 is about 1091.9587709235.

Adding to 1302023201 its reverse (1023202031), we get a palindrome (2325225232).

The spelling of 1302023201 in words is "one billion, three hundred two million, twenty-three thousand, two hundred one".