1100138 has 32 divisors (see below), whose sum is σ = 1995840. Its totient is φ = 449280.

The previous prime is 1100131. The next prime is 1100147. The reversal of 1100138 is 8310011.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1100131) 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, 8333 + ... + 8463.

It is an arithmetic number, because the mean of its divisors is an integer number (62370).

2^1100138 is an apocalyptic number.

1100138 is a deficient number, since it is larger than the sum of its proper divisors (895702).

1100138 is a wasteful number, since it uses less digits than its factorization.

1100138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1100138 is about 1048.8746350256. The cubic root of 1100138 is about 103.2323281729.

Adding to 1100138 its reverse (8310011), we get a palindrome (9410149).

The spelling of 1100138 in words is "one million, one hundred thousand, one hundred thirty-eight".