1023287 has 4 divisors (see below), whose sum is σ = 1036320. Its totient is φ = 1010256.

The previous prime is 1023277. The next prime is 1023289. The reversal of 1023287 is 7823201.

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

It is a cyclic number.

It is not a de Polignac number, because 1023287 - 2¹⁶ = 957751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023289) 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, 6398 + ... + 6555.

It is an arithmetic number, because the mean of its divisors is an integer number (259080).

2^1023287 is an apocalyptic number.

1023287 is a deficient number, since it is larger than the sum of its proper divisors (13033).

1023287 is an equidigital number, since it uses as much as digits as its factorization.

1023287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13032.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1023287 is about 1011.5764924117. The cubic root of 1023287 is about 100.7702847133.

Adding to 1023287 its reverse (7823201), we get a palindrome (8846488).

The spelling of 1023287 in words is "one million, twenty-three thousand, two hundred eighty-seven".