1102081 has 8 divisors (see below), whose sum is σ = 1155584. Its totient is φ = 1049760.

The previous prime is 1102069. The next prime is 1102111. The reversal of 1102081 is 1802011.

1102081 = T₂₅₁ + T₂₅₂ + ... + T₂₈₁.

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

It is a 8-Lehmer number, since φ(1102081) divides (1102081-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 1102081 - 2¹³ = 1093889 is a prime.

It is a super-2 number, since 2×1102081² = 2429165061122, which contains 22 as substring.

It is a Duffinian number.

1102081 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1102001) 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, 2020 + ... + 2506.

It is an arithmetic number, because the mean of its divisors is an integer number (144448).

2^1102081 is an apocalyptic number.

It is an amenable number.

1102081 is a deficient number, since it is larger than the sum of its proper divisors (53503).

1102081 is an equidigital number, since it uses as much as digits as its factorization.

1102081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1102081 is about 1049.8004572298. The cubic root of 1102081 is about 103.2930667484.

Adding to 1102081 its reverse (1802011), we get a palindrome (2904092).

The spelling of 1102081 in words is "one million, one hundred two thousand, eighty-one".