1102691 has 2 divisors, whose sum is σ = 1102692. Its totient is φ = 1102690.

The previous prime is 1102681. The next prime is 1102693. The reversal of 1102691 is 1962011.

It is a strong prime.

It is an emirp because it is prime and its reverse (1962011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1102691 - 2¹⁴ = 1086307 is a prime.

Together with 1102693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1102693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551345 + 551346.

It is an arithmetic number, because the mean of its divisors is an integer number (551346).

2^1102691 is an apocalyptic number.

1102691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102691 is an equidigital number, since it uses as much as digits as its factorization.

1102691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1102691 is about 1050.0909484421. The cubic root of 1102691 is about 103.3121207469.

The spelling of 1102691 in words is "one million, one hundred two thousand, six hundred ninety-one".