1105142132 has 12 divisors (see below), whose sum is σ = 1942025316. Its totient is φ = 550277760.

The previous prime is 1105142113. The next prime is 1105142141. The reversal of 1105142132 is 2312415011.

It can be written as a sum of positive squares in 2 ways, for example, as 861657316 + 243484816 = 29354^2 + 15604^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572243 + ... + 574170.

It is an arithmetic number, because the mean of its divisors is an integer number (161835443).

Almost surely, 2^1105142132 is an apocalyptic number.

It is an amenable number.

1105142132 is a deficient number, since it is larger than the sum of its proper divisors (836883184).

1105142132 is a wasteful number, since it uses less digits than its factorization.

1105142132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146658 (or 1146656 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1105142132 is about 33243.6780756883. The cubic root of 1105142132 is about 1033.8861369107.

Adding to 1105142132 its reverse (2312415011), we get a palindrome (3417557143).

The spelling of 1105142132 in words is "one billion, one hundred five million, one hundred forty-two thousand, one hundred thirty-two".