1105212356 has 12 divisors (see below), whose sum is σ = 1937260668. Its totient is φ = 551709312.

The previous prime is 1105212331. The next prime is 1105212373. The reversal of 1105212356 is 6532125011.

It can be written as a sum of positive squares in 2 ways, for example, as 620508100 + 484704256 = 24910^2 + 22016^2 .

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, 221441 + ... + 226376.

It is an arithmetic number, because the mean of its divisors is an integer number (161438389).

Almost surely, 2^1105212356 is an apocalyptic number.

It is an amenable number.

1105212356 is a deficient number, since it is larger than the sum of its proper divisors (832048312).

1105212356 is a wasteful number, since it uses less digits than its factorization.

1105212356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448438 (or 448436 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1105212356 is about 33244.7342597290. The cubic root of 1105212356 is about 1033.9080351746.

Adding to 1105212356 its reverse (6532125011), we get a palindrome (7637337367).

The spelling of 1105212356 in words is "one billion, one hundred five million, two hundred twelve thousand, three hundred fifty-six".