1087147 has 2 divisors, whose sum is σ = 1087148. Its totient is φ = 1087146.

The previous prime is 1087129. The next prime is 1087159. The reversal of 1087147 is 7417801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1087147 - 2⁷ = 1087019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1087117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543573 + 543574.

It is an arithmetic number, because the mean of its divisors is an integer number (543574).

2^1087147 is an apocalyptic number.

1087147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087147 is an equidigital number, since it uses as much as digits as its factorization.

1087147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 1087147 is about 1042.6634164485. The cubic root of 1087147 is about 102.8243778833.

The spelling of 1087147 in words is "one million, eighty-seven thousand, one hundred forty-seven".