1078906197 has 8 divisors (see below), whose sum is σ = 1469149056. Its totient is φ = 703967072.

The previous prime is 1078906189. The next prime is 1078906217. The reversal of 1078906197 is 7916098701.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1078906197 - 2³ = 1078906189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078906187) 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, 3825768 + ... + 3826049.

It is an arithmetic number, because the mean of its divisors is an integer number (183643632).

Almost surely, 2^1078906197 is an apocalyptic number.

It is an amenable number.

1078906197 is a deficient number, since it is larger than the sum of its proper divisors (390242859).

1078906197 is an equidigital number, since it uses as much as digits as its factorization.

1078906197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7651867.

The product of its (nonzero) digits is 190512, while the sum is 48.

The square root of 1078906197 is about 32846.7075518993. The cubic root of 1078906197 is about 1025.6390849314.

The spelling of 1078906197 in words is "one billion, seventy-eight million, nine hundred six thousand, one hundred ninety-seven".