1162121322 has 32 divisors (see below), whose sum is σ = 2437918848. Its totient is φ = 368603136.

The previous prime is 1162121297. The next prime is 1162121333. The reversal of 1162121322 is 2231212611.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4818 + ... + 48450.

It is an arithmetic number, because the mean of its divisors is an integer number (76184964).

Almost surely, 2^1162121322 is an apocalyptic number.

1162121322 is an abundant number, since it is smaller than the sum of its proper divisors (1275797526).

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

1162121322 is a wasteful number, since it uses less digits than its factorization.

1162121322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43854.

The product of its digits is 288, while the sum is 21.

The square root of 1162121322 is about 34089.9005865374. The cubic root of 1162121322 is about 1051.3576759344.

Adding to 1162121322 its reverse (2231212611), we get a palindrome (3393333933).

The spelling of 1162121322 in words is "one billion, one hundred sixty-two million, one hundred twenty-one thousand, three hundred twenty-two".