1105643634 has 16 divisors (see below), whose sum is σ = 2217065472. Its totient is φ = 367584848.

The previous prime is 1105643629. The next prime is 1105643677. The reversal of 1105643634 is 4363465011.

It is a junction number, because it is equal to n+sod(n) for n = 1105643595 and 1105643604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238269 + ... + 242864.

It is an arithmetic number, because the mean of its divisors is an integer number (138566592).

Almost surely, 2^1105643634 is an apocalyptic number.

1105643634 is an abundant number, since it is smaller than the sum of its proper divisors (1111421838).

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

1105643634 is a wasteful number, since it uses less digits than its factorization.

1105643634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481521.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 1105643634 is about 33251.2200377670. The cubic root of 1105643634 is about 1034.0425021844.

The spelling of 1105643634 in words is "one billion, one hundred five million, six hundred forty-three thousand, six hundred thirty-four".