1303878063 has 4 divisors (see below), whose sum is σ = 1738504088. Its totient is φ = 869252040.

The previous prime is 1303878061. The next prime is 1303878083. The reversal of 1303878063 is 3608783031.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1303878063 - 2¹ = 1303878061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303878061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217313008 + ... + 217313013.

It is an arithmetic number, because the mean of its divisors is an integer number (434626022).

Almost surely, 2^1303878063 is an apocalyptic number.

1303878063 is a deficient number, since it is larger than the sum of its proper divisors (434626025).

1303878063 is an equidigital number, since it uses as much as digits as its factorization.

1303878063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434626024.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 1303878063 is about 36109.2517646101. The cubic root of 1303878063 is about 1092.4770596345.

The spelling of 1303878063 in words is "one billion, three hundred three million, eight hundred seventy-eight thousand, sixty-three".