1161012322 has 8 divisors (see below), whose sum is σ = 1745010000. Its totient is φ = 579342324.

The previous prime is 1161012313. The next prime is 1161012353. The reversal of 1161012322 is 2232101611.

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

It is a super-2 number, since 2×1161012322² = 2695899223671663368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1161012322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580672 + ... + 582667.

It is an arithmetic number, because the mean of its divisors is an integer number (218126250).

Almost surely, 2^1161012322 is an apocalyptic number.

1161012322 is a deficient number, since it is larger than the sum of its proper divisors (583997678).

1161012322 is a wasteful number, since it uses less digits than its factorization.

1161012322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163840.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1161012322 is about 34073.6308895897. The cubic root of 1161012322 is about 1051.0231363519.

Adding to 1161012322 its reverse (2232101611), we get a palindrome (3393113933).

It can be divided in two parts, 11610 and 12322, that added together give a palindrome (23932).

The spelling of 1161012322 in words is "one billion, one hundred sixty-one million, twelve thousand, three hundred twenty-two".