1122081 has 8 divisors (see below), whose sum is σ = 1506624. Its totient is φ = 742800.

The previous prime is 1122071. The next prime is 1122089. The reversal of 1122081 is 1802211.

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

It is not a de Polignac number, because 1122081 - 2¹⁵ = 1089313 is a prime.

It is a super-2 number, since 2×1122081² = 2518131541122, which contains 22 as substring.

It is a Curzon number.

1122081 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122081.

It is not an unprimeable number, because it can be changed into a prime (1122089) 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, 786 + ... + 1691.

It is an arithmetic number, because the mean of its divisors is an integer number (188328).

2^1122081 is an apocalyptic number.

It is an amenable number.

1122081 is a deficient number, since it is larger than the sum of its proper divisors (384543).

1122081 is a wasteful number, since it uses less digits than its factorization.

1122081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1122081 is about 1059.2832482391. The cubic root of 1122081 is about 103.9141611724.

Adding to 1122081 its reverse (1802211), we get a palindrome (2924292).

The spelling of 1122081 in words is "one million, one hundred twenty-two thousand, eighty-one".