1203887 has 2 divisors, whose sum is σ = 1203888. Its totient is φ = 1203886.

The previous prime is 1203863. The next prime is 1203893. The reversal of 1203887 is 7883021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1203887 - 2¹⁰ = 1202863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601943 + 601944.

It is an arithmetic number, because the mean of its divisors is an integer number (601944).

2^1203887 is an apocalyptic number.

1203887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203887 is an equidigital number, since it uses as much as digits as its factorization.

1203887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 1203887 is about 1097.2178452796. The cubic root of 1203887 is about 106.3804708631.

The spelling of 1203887 in words is "one million, two hundred three thousand, eight hundred eighty-seven".