1101400 has 24 divisors (see below), whose sum is σ = 2561220. Its totient is φ = 440480.

The previous prime is 1101389. The next prime is 1101403. The reversal of 1101400 is 41011.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2554 + ... + 2953.

2^1101400 is an apocalyptic number.

1101400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101400 is an abundant number, since it is smaller than the sum of its proper divisors (1459820).

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

1101400 is a wasteful number, since it uses less digits than its factorization.

1101400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5523 (or 5514 counting only the distinct ones).

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

The square root of 1101400 is about 1049.4760597555. The cubic root of 1101400 is about 103.2717866815.

Adding to 1101400 its reverse (41011), we get a palindrome (1142411).

The spelling of 1101400 in words is "one million, one hundred one thousand, four hundred".