1141939 has 4 divisors (see below), whose sum is σ = 1157656. Its totient is φ = 1126224.

The previous prime is 1141909. The next prime is 1141949. The reversal of 1141939 is 9391411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9391411 = 2887 ⋅3253.

It is a cyclic number.

It is not a de Polignac number, because 1141939 - 2¹⁹ = 617651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7749 + ... + 7894.

It is an arithmetic number, because the mean of its divisors is an integer number (289414).

2^1141939 is an apocalyptic number.

1141939 is a deficient number, since it is larger than the sum of its proper divisors (15717).

1141939 is an equidigital number, since it uses as much as digits as its factorization.

1141939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15716.

The product of its digits is 972, while the sum is 28.

The square root of 1141939 is about 1068.6154593679. The cubic root of 1141939 is about 104.5235861690.

It can be divided in two parts, 1141 and 939, that added together give a triangular number (2080 = T₆₄).

The spelling of 1141939 in words is "one million, one hundred forty-one thousand, nine hundred thirty-nine".