1203934513 has 2 divisors, whose sum is σ = 1203934514. Its totient is φ = 1203934512.

The previous prime is 1203934493. The next prime is 1203934547. The reversal of 1203934513 is 3154393021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1197644449 + 6290064 = 34607^2 + 2508^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203934513 - 2¹⁷ = 1203803441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1203934313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601967256 + 601967257.

It is an arithmetic number, because the mean of its divisors is an integer number (601967257).

Almost surely, 2^1203934513 is an apocalyptic number.

It is an amenable number.

1203934513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203934513 is an equidigital number, since it uses as much as digits as its factorization.

1203934513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 1203934513 is about 34697.7594809809. The cubic root of 1203934513 is about 1063.8187032695.

The spelling of 1203934513 in words is "one billion, two hundred three million, nine hundred thirty-four thousand, five hundred thirteen".