1011487 has 4 divisors (see below), whose sum is σ = 1033056. Its totient is φ = 989920.

The previous prime is 1011443. The next prime is 1011509. The reversal of 1011487 is 7841101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7841101 = 181 ⋅43321.

It is a cyclic number.

It is not a de Polignac number, because 1011487 - 2⁷ = 1011359 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011407) 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, 10714 + ... + 10807.

It is an arithmetic number, because the mean of its divisors is an integer number (258264).

2^1011487 is an apocalyptic number.

1011487 is a deficient number, since it is larger than the sum of its proper divisors (21569).

1011487 is an equidigital number, since it uses as much as digits as its factorization.

1011487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21568.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 1011487 is about 1005.7271001619. The cubic root of 1011487 is about 100.3814431612.

Adding to 1011487 its reverse (7841101), we get a palindrome (8852588).

It can be divided in two parts, 10114 and 87, that added together give a palindrome (10201).

The spelling of 1011487 in words is "one million, eleven thousand, four hundred eighty-seven".