1109602 has 8 divisors (see below), whose sum is σ = 1792476. Its totient is φ = 512112.

The previous prime is 1109579. The next prime is 1109609. The reversal of 1109602 is 2069011.

It can be written as a sum of positive squares in 2 ways, for example, as 1083681 + 25921 = 1041^2 + 161^2 .

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 1109602.

It is not an unprimeable number, because it can be changed into a prime (1109609) 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, 21313 + ... + 21364.

2^1109602 is an apocalyptic number.

1109602 is a deficient number, since it is larger than the sum of its proper divisors (682874).

1109602 is a wasteful number, since it uses less digits than its factorization.

1109602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42692.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1109602 is about 1053.3764759097. The cubic root of 1109602 is about 103.5275040287.

It can be divided in two parts, 1109 and 602, that added together give a triangular number (1711 = T₅₈).

The spelling of 1109602 in words is "one million, one hundred nine thousand, six hundred two".