1181022 has 8 divisors (see below), whose sum is σ = 2362056. Its totient is φ = 393672.

The previous prime is 1181017. The next prime is 1181023. The reversal of 1181022 is 2201811.

It is a sphenic number, since it is the product of 3 distinct primes.

1181022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1180992 and 1181010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1181023) 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, 98413 + ... + 98424.

It is an arithmetic number, because the mean of its divisors is an integer number (295257).

2^1181022 is an apocalyptic number.

1181022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1181022 is a wasteful number, since it uses less digits than its factorization.

1181022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196842.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1181022 is about 1086.7483609373. The cubic root of 1181022 is about 105.7026793408.

Adding to 1181022 its reverse (2201811), we get a palindrome (3382833).

The spelling of 1181022 in words is "one million, one hundred eighty-one thousand, twenty-two".