1109705042 has 16 divisors (see below), whose sum is σ = 1704484320. Its totient is φ = 541562112.

The previous prime is 1109705041. The next prime is 1109705053. The reversal of 1109705042 is 2405079011.

It is a junction number, because it is equal to n+sod(n) for n = 1109704996 and 1109705014.

It is not an unprimeable number, because it can be changed into a prime (1109705041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144434 + ... + 151922.

It is an arithmetic number, because the mean of its divisors is an integer number (106530270).

Almost surely, 2^1109705042 is an apocalyptic number.

1109705042 is a deficient number, since it is larger than the sum of its proper divisors (594779278).

1109705042 is a wasteful number, since it uses less digits than its factorization.

1109705042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9257.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 1109705042 is about 33312.2356199640. The cubic root of 1109705042 is about 1035.3070858641.

The spelling of 1109705042 in words is "one billion, one hundred nine million, seven hundred five thousand, forty-two".