1285130463 has 4 divisors (see below), whose sum is σ = 1713507288. Its totient is φ = 856753640.

The previous prime is 1285130449. The next prime is 1285130467. The reversal of 1285130463 is 3640315821.

1285130463 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1285130463 - 2²⁶ = 1218021599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1285130467) 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, 214188408 + ... + 214188413.

It is an arithmetic number, because the mean of its divisors is an integer number (428376822).

Almost surely, 2^1285130463 is an apocalyptic number.

1285130463 is a deficient number, since it is larger than the sum of its proper divisors (428376825).

1285130463 is an equidigital number, since it uses as much as digits as its factorization.

1285130463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428376824.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1285130463 is about 35848.7163368509. The cubic root of 1285130463 is about 1087.2157606205.

The spelling of 1285130463 in words is "one billion, two hundred eighty-five million, one hundred thirty thousand, four hundred sixty-three".