1100402 has 8 divisors (see below), whose sum is σ = 1673436. Its totient is φ = 542592.

The previous prime is 1100387. The next prime is 1100419. The reversal of 1100402 is 2040011.

It is a Cunningham number, because it is equal to 1049²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 1100401 + 1 = 1049^2 + 1^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1100402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3623 + ... + 3914.

2^1100402 is an apocalyptic number.

1100402 is a deficient number, since it is larger than the sum of its proper divisors (573034).

1100402 is an equidigital number, since it uses as much as digits as its factorization.

1100402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7612.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1100402 is about 1049.0004766443. Note that the first 3 decimals coincide. The cubic root of 1100402 is about 103.2405850628.

Adding to 1100402 its reverse (2040011), we get a palindrome (3140413).

The spelling of 1100402 in words is "one million, one hundred thousand, four hundred two".