1302001427 has 2 divisors, whose sum is σ = 1302001428. Its totient is φ = 1302001426.

The previous prime is 1302001397. The next prime is 1302001447. The reversal of 1302001427 is 7241002031.

It is an a-pointer prime, because the next prime (1302001447) can be obtained adding 1302001427 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1302001427 - 2¹² = 1301997331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1302001399 and 1302001408.

It is not a weakly prime, because it can be changed into another prime (1302001447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651000713 + 651000714.

It is an arithmetic number, because the mean of its divisors is an integer number (651000714).

Almost surely, 2^1302001427 is an apocalyptic number.

1302001427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302001427 is an equidigital number, since it uses as much as digits as its factorization.

1302001427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1302001427 is about 36083.2568790568. The cubic root of 1302001427 is about 1091.9526838730.

Adding to 1302001427 its reverse (7241002031), we get a palindrome (8543003458).

The spelling of 1302001427 in words is "one billion, three hundred two million, one thousand, four hundred twenty-seven".