1105522131 has 32 divisors (see below), whose sum is σ = 1734340608. Its totient is φ = 613257120.

The previous prime is 1105522127. The next prime is 1105522151. The reversal of 1105522131 is 1312255011.

It is not a de Polignac number, because 1105522131 - 2² = 1105522127 is a prime.

It is a super-2 number, since 2×1105522131² = 2444358364261562322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1105522098 and 1105522107.

It is not an unprimeable number, because it can be changed into a prime (1105522151) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 147136 + ... + 154466.

It is an arithmetic number, because the mean of its divisors is an integer number (54198144).

Almost surely, 2^1105522131 is an apocalyptic number.

1105522131 is a deficient number, since it is larger than the sum of its proper divisors (628818477).

1105522131 is a wasteful number, since it uses less digits than its factorization.

1105522131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7551.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1105522131 is about 33249.3929418268. The cubic root of 1105522131 is about 1034.0046226287.

Adding to 1105522131 its reverse (1312255011), we get a palindrome (2417777142).

The spelling of 1105522131 in words is "one billion, one hundred five million, five hundred twenty-two thousand, one hundred thirty-one".