1196805049 has 16 divisors (see below), whose sum is σ = 1399921920. Its totient is φ = 1011029760.

The previous prime is 1196805013. The next prime is 1196805073. The reversal of 1196805049 is 9405086911.

It is a cyclic number.

It is not a de Polignac number, because 1196805049 - 2¹⁷ = 1196673977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1196804996 and 1196805014.

It is not an unprimeable number, because it can be changed into a prime (1196802049) 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, 25734 + ... + 55279.

It is an arithmetic number, because the mean of its divisors is an integer number (87495120).

Almost surely, 2^1196805049 is an apocalyptic number.

It is an amenable number.

1196805049 is a deficient number, since it is larger than the sum of its proper divisors (203116871).

1196805049 is a wasteful number, since it uses less digits than its factorization.

1196805049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81120.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 1196805049 is about 34594.8702700270. The cubic root of 1196805049 is about 1061.7146359422.

The spelling of 1196805049 in words is "one billion, one hundred ninety-six million, eight hundred five thousand, forty-nine".