1095540 has 72 divisors (see below), whose sum is σ = 3336480. Its totient is φ = 267840.

The previous prime is 1095529. The next prime is 1095541. The reversal of 1095540 is 455901.

Added to its reverse (455901) it gives a triangular number (1551441 = T₁₇₆₁).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1095540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1095541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35325 + ... + 35355.

It is an arithmetic number, because the mean of its divisors is an integer number (46340).

2^1095540 is an apocalyptic number.

1095540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1095540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1668240).

1095540 is an abundant number, since it is smaller than the sum of its proper divisors (2240940).

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

1095540 is a wasteful number, since it uses less digits than its factorization.

1095540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1095540 is about 1046.6804670003. The cubic root of 1095540 is about 103.0883083425.

Adding to 1095540 its reverse (455901), we get a triangular number (1551441 = T₁₇₆₁).

The spelling of 1095540 in words is "one million, ninety-five thousand, five hundred forty".