1100002 has 8 divisors (see below), whose sum is σ = 1747116. Its totient is φ = 517632.

The previous prime is 1099997. The next prime is 1100009. The reversal of 1100002 is 2000011.

It can be written as a sum of positive squares in 2 ways, for example, as 962361 + 137641 = 981^2 + 371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1099964 and 1100000.

It is not an unprimeable number, because it can be changed into a prime (1100009) 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, 16143 + ... + 16210.

2^1100002 is an apocalyptic number.

1100002 is a deficient number, since it is larger than the sum of its proper divisors (647114).

1100002 is a wasteful number, since it uses less digits than its factorization.

1100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32372.

The product of its (nonzero) digits is 2, while the sum is 4.

The square root of 1100002 is about 1048.8098016323. The cubic root of 1100002 is about 103.2280741080.

Adding to 1100002 its reverse (2000011), we get a palindrome (3100013).

Subtracting 1100002 from its reverse (2000011), we obtain a palindrome (900009).

Multiplying 1100002 by its reverse (2000011), we get a palindrome (2200016100022).

The spelling of 1100002 in words is "one million, one hundred thousand, two".