1101040 has 20 divisors (see below), whose sum is σ = 2560104. Its totient is φ = 440384.

The previous prime is 1100977. The next prime is 1101071. The reversal of 1101040 is 401011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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, 6802 + ... + 6961.

2^1101040 is an apocalyptic number.

1101040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101040 is an abundant number, since it is smaller than the sum of its proper divisors (1459064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1101040 is a wasteful number, since it uses less digits than its factorization.

1101040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13776 (or 13770 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1101040 is about 1049.3045315827. The cubic root of 1101040 is about 103.2605337626.

Adding to 1101040 its reverse (401011), we get a palindrome (1502051).

The spelling of 1101040 in words is "one million, one hundred one thousand, forty".