1107409 has 2 divisors, whose sum is σ = 1107410. Its totient is φ = 1107408.

The previous prime is 1107401. The next prime is 1107419. The reversal of 1107409 is 9047011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1056784 + 50625 = 1028^2 + 225^2 .

It is an emirp because it is prime and its reverse (9047011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1107409 - 2³ = 1107401 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1107409.

It is not a weakly prime, because it can be changed into another prime (1107401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553704 + 553705.

It is an arithmetic number, because the mean of its divisors is an integer number (553705).

2^1107409 is an apocalyptic number.

It is an amenable number.

1107409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1107409 is an equidigital number, since it uses as much as digits as its factorization.

1107409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1107409 is about 1052.3350226995. The cubic root of 1107409 is about 103.4592556686.

The spelling of 1107409 in words is "one million, one hundred seven thousand, four hundred nine".