1320974503 has 2 divisors, whose sum is σ = 1320974504. Its totient is φ = 1320974502.

The previous prime is 1320974483. The next prime is 1320974513. The reversal of 1320974503 is 3054790231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1320974503 - 2⁵ = 1320974471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320974513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660487251 + 660487252.

It is an arithmetic number, because the mean of its divisors is an integer number (660487252).

Almost surely, 2^1320974503 is an apocalyptic number.

1320974503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320974503 is an equidigital number, since it uses as much as digits as its factorization.

1320974503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 1320974503 is about 36345.2129310037. The cubic root of 1320974503 is about 1097.2311915802.

The spelling of 1320974503 in words is "one billion, three hundred twenty million, nine hundred seventy-four thousand, five hundred three".