1211065 has 8 divisors (see below), whose sum is σ = 1516608. Its totient is φ = 926640.

The previous prime is 1211059. The next prime is 1211081. The reversal of 1211065 is 5601121.

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 1211065 - 2³ = 1211057 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, 5151 + ... + 5380.

It is an arithmetic number, because the mean of its divisors is an integer number (189576).

2^1211065 is an apocalyptic number.

It is an amenable number.

1211065 is a deficient number, since it is larger than the sum of its proper divisors (305543).

1211065 is a wasteful number, since it uses less digits than its factorization.

1211065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10559.

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

The square root of 1211065 is about 1100.4839844359. The cubic root of 1211065 is about 106.5914780455.

Adding to 1211065 its reverse (5601121), we get a palindrome (6812186).

The spelling of 1211065 in words is "one million, two hundred eleven thousand, sixty-five".