1087471 has 16 divisors (see below), whose sum is σ = 1405440. Its totient is φ = 816480.

The previous prime is 1087459. The next prime is 1087483. The reversal of 1087471 is 1747801.

It is an interprime number because it is at equal distance from previous prime (1087459) and next prime (1087483).

It is not a de Polignac number, because 1087471 - 2¹⁷ = 956399 is a prime.

It is a super-3 number, since 3×1087471³ = 3858107350574964333, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087451) 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 in 15 ways as a sum of consecutive naturals, for example, 1990 + ... + 2476.

It is an arithmetic number, because the mean of its divisors is an integer number (87840).

2^1087471 is an apocalyptic number.

1087471 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1087471 is a deficient number, since it is larger than the sum of its proper divisors (317969).

1087471 is a wasteful number, since it uses less digits than its factorization.

1087471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534.

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

The square root of 1087471 is about 1042.8187762023. The cubic root of 1087471 is about 102.8345917088.

The spelling of 1087471 in words is "one million, eighty-seven thousand, four hundred seventy-one".