1196278955 has 8 divisors (see below), whose sum is σ = 1435960752. Its totient is φ = 956739168.

The previous prime is 1196278943. The next prime is 1196278973. The reversal of 1196278955 is 5598726911.

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 1196278955 - 2²² = 1192084651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1196278897 and 1196278906.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15992 + ... + 51461.

It is an arithmetic number, because the mean of its divisors is an integer number (179495094).

Almost surely, 2^1196278955 is an apocalyptic number.

1196278955 is a deficient number, since it is larger than the sum of its proper divisors (239681797).

1196278955 is an equidigital number, since it uses as much as digits as its factorization.

1196278955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71005.

The product of its digits is 1360800, while the sum is 53.

The square root of 1196278955 is about 34587.2657924850. The cubic root of 1196278955 is about 1061.5590429143.

The spelling of 1196278955 in words is "one billion, one hundred ninety-six million, two hundred seventy-eight thousand, nine hundred fifty-five".