1163261022 has 32 divisors (see below), whose sum is σ = 2900600064. Its totient is φ = 302145600.

The previous prime is 1163260993. The next prime is 1163261063. The reversal of 1163261022 is 2201623611.

It is a junction number, because it is equal to n+sod(n) for n = 1163260983 and 1163261001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1258479 + ... + 1259402.

It is an arithmetic number, because the mean of its divisors is an integer number (90643752).

Almost surely, 2^1163261022 is an apocalyptic number.

1163261022 is an abundant number, since it is smaller than the sum of its proper divisors (1737339042).

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

1163261022 is a wasteful number, since it uses less digits than its factorization.

1163261022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2517904.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1163261022 is about 34106.6125846587. The cubic root of 1163261022 is about 1051.7012547642.

Adding to 1163261022 its reverse (2201623611), we get a palindrome (3364884633).

The spelling of 1163261022 in words is "one billion, one hundred sixty-three million, two hundred sixty-one thousand, twenty-two".