1100073 has 16 divisors (see below), whose sum is σ = 1606976. Its totient is φ = 665280.

The previous prime is 1100063. The next prime is 1100089. The reversal of 1100073 is 3700011.

It is not a de Polignac number, because 1100073 - 2⁵ = 1100041 is a prime.

It is a Duffinian number.

1100073 is a Rhonda number in base 15.

It is not an unprimeable number, because it can be changed into a prime (1100023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2403 + ... + 2823.

It is an arithmetic number, because the mean of its divisors is an integer number (100436).

2^1100073 is an apocalyptic number.

1100073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1100073 is a deficient number, since it is larger than the sum of its proper divisors (506903).

1100073 is a wasteful number, since it uses less digits than its factorization.

1100073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504.

The product of its (nonzero) digits is 21, while the sum is 12.

The square root of 1100073 is about 1048.8436489773. The cubic root of 1100073 is about 103.2302950239.

Adding to 1100073 its reverse (3700011), we get a palindrome (4800084).

The spelling of 1100073 in words is "one million, one hundred thousand, seventy-three".