1301397443 has 2 divisors, whose sum is σ = 1301397444. Its totient is φ = 1301397442.

The previous prime is 1301397403. The next prime is 1301397469. The reversal of 1301397443 is 3447931031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1301397443 - 2⁸ = 1301397187 is a prime.

It is not a weakly prime, because it can be changed into another prime (1301397403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650698721 + 650698722.

It is an arithmetic number, because the mean of its divisors is an integer number (650698722).

Almost surely, 2^1301397443 is an apocalyptic number.

1301397443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301397443 is an equidigital number, since it uses as much as digits as its factorization.

1301397443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 1301397443 is about 36074.8865971884. The cubic root of 1301397443 is about 1091.7838095169.

The spelling of 1301397443 in words is "one billion, three hundred one million, three hundred ninety-seven thousand, four hundred forty-three".