1430887 has 2 divisors, whose sum is σ = 1430888. Its totient is φ = 1430886.

The previous prime is 1430881. The next prime is 1430903. The reversal of 1430887 is 7880341.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1430887 - 2³ = 1430879 is a prime.

1430887 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1430881) 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, 715443 + 715444.

It is an arithmetic number, because the mean of its divisors is an integer number (715444).

2^1430887 is an apocalyptic number.

1430887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430887 is an equidigital number, since it uses as much as digits as its factorization.

1430887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 1430887 is about 1196.1968901481. The cubic root of 1430887 is about 112.6856063690.

The spelling of 1430887 in words is "one million, four hundred thirty thousand, eight hundred eighty-seven".