1101265 has 8 divisors (see below), whose sum is σ = 1441728. Its totient is φ = 800880.

The previous prime is 1101253. The next prime is 1101283. The reversal of 1101265 is 5621011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1101265 - 2¹⁵ = 1068497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9957 + ... + 10066.

It is an arithmetic number, because the mean of its divisors is an integer number (180216).

2^1101265 is an apocalyptic number.

It is an amenable number.

1101265 is a deficient number, since it is larger than the sum of its proper divisors (340463).

1101265 is a wasteful number, since it uses less digits than its factorization.

1101265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20039.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1101265 is about 1049.4117399763. The cubic root of 1101265 is about 103.2675671243.

Adding to 1101265 its reverse (5621011), we get a palindrome (6722276).

The spelling of 1101265 in words is "one million, one hundred one thousand, two hundred sixty-five".