1106820043 has 16 divisors (see below), whose sum is σ = 1296545536. Its totient is φ = 925071840.

The previous prime is 1106820019. The next prime is 1106820047. The reversal of 1106820043 is 3400286011.

It is a de Polignac number, because none of the positive numbers 2^k-1106820043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1106820047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196180 + ... + 201742.

It is an arithmetic number, because the mean of its divisors is an integer number (81034096).

Almost surely, 2^1106820043 is an apocalyptic number.

1106820043 is a deficient number, since it is larger than the sum of its proper divisors (189725493).

1106820043 is an equidigital number, since it uses as much as digits as its factorization.

1106820043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6274.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1106820043 is about 33268.9050466047. The cubic root of 1106820043 is about 1034.4091138982.

The spelling of 1106820043 in words is "one billion, one hundred six million, eight hundred twenty thousand, forty-three".