1300001293 has 2 divisors, whose sum is σ = 1300001294. Its totient is φ = 1300001292.

The previous prime is 1300001251. The next prime is 1300001321. The reversal of 1300001293 is 3921000031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 780252489 + 519748804 = 27933^2 + 22798^2 .

It is a cyclic number.

It is not a de Polignac number, because 1300001293 - 2²¹ = 1297904141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1300001293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1300005293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650000646 + 650000647.

It is an arithmetic number, because the mean of its divisors is an integer number (650000647).

Almost surely, 2^1300001293 is an apocalyptic number.

It is an amenable number.

1300001293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300001293 is an equidigital number, since it uses as much as digits as its factorization.

1300001293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 1300001293 is about 36055.5306853193. The cubic root of 1300001293 is about 1091.3932448997.

The spelling of 1300001293 in words is "one billion, three hundred million, one thousand, two hundred ninety-three".