1109351 has 2 divisors, whose sum is σ = 1109352. Its totient is φ = 1109350.

The previous prime is 1109347. The next prime is 1109363. The reversal of 1109351 is 1539011.

It is a weak prime.

It is an emirp because it is prime and its reverse (1539011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1109351 - 2² = 1109347 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1109851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554675 + 554676.

It is an arithmetic number, because the mean of its divisors is an integer number (554676).

2^1109351 is an apocalyptic number.

1109351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109351 is an equidigital number, since it uses as much as digits as its factorization.

1109351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 1109351 is about 1053.2573284815. The cubic root of 1109351 is about 103.5196972166.

The spelling of 1109351 in words is "one million, one hundred nine thousand, three hundred fifty-one".