1103978 has 8 divisors (see below), whose sum is σ = 1683300. Its totient is φ = 542880.

The previous prime is 1103933. The next prime is 1103981. The reversal of 1103978 is 8793011.

It can be written as a sum of positive squares in 2 ways, for example, as 1087849 + 16129 = 1043^2 + 127^2 .

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 1103978.

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, 4403 + ... + 4646.

2^1103978 is an apocalyptic number.

1103978 is a deficient number, since it is larger than the sum of its proper divisors (579322).

1103978 is an equidigital number, since it uses as much as digits as its factorization.

1103978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9112.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 1103978 is about 1050.7035738019. The cubic root of 1103978 is about 103.3522985193.

Adding to 1103978 its reverse (8793011), we get a palindrome (9896989).

It can be divided in two parts, 110 and 3978, that multiplied together give a triangular number (437580 = T₉₃₅).

The spelling of 1103978 in words is "one million, one hundred three thousand, nine hundred seventy-eight".