1078111097 has 4 divisors (see below), whose sum is σ = 1232126976. Its totient is φ = 924095220.

The previous prime is 1078111079. The next prime is 1078111103. The reversal of 1078111097 is 7901118701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1078111097 - 2⁶ = 1078111033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1078111037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77007929 + ... + 77007942.

It is an arithmetic number, because the mean of its divisors is an integer number (308031744).

Almost surely, 2^1078111097 is an apocalyptic number.

It is an amenable number.

1078111097 is a deficient number, since it is larger than the sum of its proper divisors (154015879).

1078111097 is an equidigital number, since it uses as much as digits as its factorization.

1078111097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154015878.

The product of its (nonzero) digits is 3528, while the sum is 35.

The square root of 1078111097 is about 32834.6021294609. The cubic root of 1078111097 is about 1025.3870747490.

Adding to 1078111097 its reverse (7901118701), we get a palindrome (8979229798).

The spelling of 1078111097 in words is "one billion, seventy-eight million, one hundred eleven thousand, ninety-seven".