1106994997 has 4 divisors (see below), whose sum is σ = 1107933516. Its totient is φ = 1106056480.

The previous prime is 1106994983. The next prime is 1106995033. The reversal of 1106994997 is 7994996011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7994996011 = 17 ⋅470293883.

It can be written as a sum of positive squares in 2 ways, for example, as 478690641 + 628304356 = 21879^2 + 25066^2 .

It is a cyclic number.

It is not a de Polignac number, because 1106994997 - 2²⁷ = 972777269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1106994907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467488 + ... + 469849.

It is an arithmetic number, because the mean of its divisors is an integer number (276983379).

Almost surely, 2^1106994997 is an apocalyptic number.

It is an amenable number.

1106994997 is a deficient number, since it is larger than the sum of its proper divisors (938519).

1106994997 is an equidigital number, since it uses as much as digits as its factorization.

1106994997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938518.

The product of its (nonzero) digits is 1102248, while the sum is 55.

The square root of 1106994997 is about 33271.5343349236. The cubic root of 1106994997 is about 1034.4636137176.

The spelling of 1106994997 in words is "one billion, one hundred six million, nine hundred ninety-four thousand, nine hundred ninety-seven".