1361030287 has 6 divisors (see below), whose sum is σ = 1436434008. Its totient is φ = 1289396772.

The previous prime is 1361030261. The next prime is 1361030303. The reversal of 1361030287 is 7820301631.

It is a de Polignac number, because none of the positive numbers 2^k-1361030287 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 (1361030227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1884723 + ... + 1885444.

It is an arithmetic number, because the mean of its divisors is an integer number (239405668).

Almost surely, 2^1361030287 is an apocalyptic number.

1361030287 is a deficient number, since it is larger than the sum of its proper divisors (75403721).

1361030287 is an equidigital number, since it uses as much as digits as its factorization.

1361030287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770205 (or 3770186 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1361030287 is about 36892.1439740224. The cubic root of 1361030287 is about 1108.2113570981.

The spelling of 1361030287 in words is "one billion, three hundred sixty-one million, thirty thousand, two hundred eighty-seven".