1101481 has 4 divisors (see below), whose sum is σ = 1166292. Its totient is φ = 1036672.

The previous prime is 1101473. The next prime is 1101509. The reversal of 1101481 is 1841011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 968256 + 133225 = 984^2 + 365^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101481 - 2³ = 1101473 is a prime.

It is a super-2 number, since 2×1101481² = 2426520786722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32380 + ... + 32413.

It is an arithmetic number, because the mean of its divisors is an integer number (291573).

2^1101481 is an apocalyptic number.

It is an amenable number.

1101481 is a deficient number, since it is larger than the sum of its proper divisors (64811).

1101481 is an equidigital number, since it uses as much as digits as its factorization.

1101481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64810.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 1101481 is about 1049.5146497310. The cubic root of 1101481 is about 103.2743182503.

Adding to 1101481 its reverse (1841011), we get a palindrome (2942492).

The spelling of 1101481 in words is "one million, one hundred one thousand, four hundred eighty-one".