1108739 has 2 divisors, whose sum is σ = 1108740. Its totient is φ = 1108738.

The previous prime is 1108733. The next prime is 1108747. The reversal of 1108739 is 9378011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1108739 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1108733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554369 + 554370.

It is an arithmetic number, because the mean of its divisors is an integer number (554370).

2^1108739 is an apocalyptic number.

1108739 is a deficient number, since it is larger than the sum of its proper divisors (1).

1108739 is an equidigital number, since it uses as much as digits as its factorization.

1108739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 1108739 is about 1052.9667611088. The cubic root of 1108739 is about 103.5006573429.

The spelling of 1108739 in words is "one million, one hundred eight thousand, seven hundred thirty-nine".