1141909 has 2 divisors, whose sum is σ = 1141910. Its totient is φ = 1141908.

The previous prime is 1141901. The next prime is 1141949. The reversal of 1141909 is 9091411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 656100 + 485809 = 810^2 + 697^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141909 - 2³ = 1141901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570954 + 570955.

It is an arithmetic number, because the mean of its divisors is an integer number (570955).

2^1141909 is an apocalyptic number.

It is an amenable number.

1141909 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141909 is an equidigital number, since it uses as much as digits as its factorization.

1141909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 1141909 is about 1068.6014224209. The cubic root of 1141909 is about 104.5226708442.

The spelling of 1141909 in words is "one million, one hundred forty-one thousand, nine hundred nine".