1101380 has 24 divisors (see below), whose sum is σ = 2643648. Its totient is φ = 377568.

The previous prime is 1101377. The next prime is 1101389. The reversal of 1101380 is 831011.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1101389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3794 + ... + 4073.

It is an arithmetic number, because the mean of its divisors is an integer number (110152).

2^1101380 is an apocalyptic number.

1101380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101380 is an abundant number, since it is smaller than the sum of its proper divisors (1542268).

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

1101380 is a wasteful number, since it uses less digits than its factorization.

1101380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7883 (or 7881 counting only the distinct ones).

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

The square root of 1101380 is about 1049.4665311481. The cubic root of 1101380 is about 103.2711615837.

Adding to 1101380 its reverse (831011), we get a palindrome (1932391).

The spelling of 1101380 in words is "one million, one hundred one thousand, three hundred eighty".