1430987 has 2 divisors, whose sum is σ = 1430988. Its totient is φ = 1430986.

The previous prime is 1430971. The next prime is 1430993. The reversal of 1430987 is 7890341.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1430987 - 2⁴ = 1430971 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (1430287) 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, 715493 + 715494.

It is an arithmetic number, because the mean of its divisors is an integer number (715494).

2^1430987 is an apocalyptic number.

1430987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430987 is an equidigital number, since it uses as much as digits as its factorization.

1430987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1430987 is about 1196.2386885568. The cubic root of 1430987 is about 112.6882313837.

The spelling of 1430987 in words is "one million, four hundred thirty thousand, nine hundred eighty-seven".