1361287 has 2 divisors, whose sum is σ = 1361288. Its totient is φ = 1361286.

The previous prime is 1361279. The next prime is 1361291. The reversal of 1361287 is 7821631.

It is a strong prime.

It is an emirp because it is prime and its reverse (7821631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1361287 - 2³ = 1361279 is a prime.

It is a super-4 number, since 4×1361287⁴ (a number of 26 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680643 + 680644.

It is an arithmetic number, because the mean of its divisors is an integer number (680644).

2^1361287 is an apocalyptic number.

1361287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361287 is an equidigital number, since it uses as much as digits as its factorization.

1361287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 28.

The square root of 1361287 is about 1166.7420451839. The cubic root of 1361287 is about 110.8281028430.

The spelling of 1361287 in words is "one million, three hundred sixty-one thousand, two hundred eighty-seven".