1487867 has 2 divisors, whose sum is σ = 1487868. Its totient is φ = 1487866.

The previous prime is 1487821. The next prime is 1487873. The reversal of 1487867 is 7687841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1487867 - 2¹⁰ = 1486843 is a prime.

It is not a weakly prime, because it can be changed into another prime (1487887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 743933 + 743934.

It is an arithmetic number, because the mean of its divisors is an integer number (743934).

2^1487867 is an apocalyptic number.

1487867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1487867 is an equidigital number, since it uses as much as digits as its factorization.

1487867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75264, while the sum is 41.

The square root of 1487867 is about 1219.7815378173. The cubic root of 1487867 is about 114.1619479346.

The spelling of 1487867 in words is "one million, four hundred eighty-seven thousand, eight hundred sixty-seven".