1181459 has 4 divisors (see below), whose sum is σ = 1185504. Its totient is φ = 1177416.

The previous prime is 1181443. The next prime is 1181461. The reversal of 1181459 is 9541811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1181459 - 2⁴ = 1181443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1181759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1547 + ... + 2180.

It is an arithmetic number, because the mean of its divisors is an integer number (296376).

2^1181459 is an apocalyptic number.

1181459 is a deficient number, since it is larger than the sum of its proper divisors (4045).

1181459 is an equidigital number, since it uses as much as digits as its factorization.

1181459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044.

The product of its digits is 1440, while the sum is 29.

The square root of 1181459 is about 1086.9494008462. The cubic root of 1181459 is about 105.7157150490.

The spelling of 1181459 in words is "one million, one hundred eighty-one thousand, four hundred fifty-nine".