1087297 has 4 divisors (see below), whose sum is σ = 1124820. Its totient is φ = 1049776.

The previous prime is 1087291. The next prime is 1087301. The reversal of 1087297 is 7927801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 408321 + 678976 = 639^2 + 824^2 .

It is a cyclic number.

It is not a de Polignac number, because 1087297 - 2¹⁹ = 563009 is a prime.

It is a Duffinian number.

1087297 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1087291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18718 + ... + 18775.

It is an arithmetic number, because the mean of its divisors is an integer number (281205).

2^1087297 is an apocalyptic number.

It is an amenable number.

1087297 is a deficient number, since it is larger than the sum of its proper divisors (37523).

1087297 is an equidigital number, since it uses as much as digits as its factorization.

1087297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37522.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 1087297 is about 1042.7353451380. The cubic root of 1087297 is about 102.8291067584.

The spelling of 1087297 in words is "one million, eighty-seven thousand, two hundred ninety-seven".