1206885049 has 8 divisors (see below), whose sum is σ = 1259740800. Its totient is φ = 1154061216.

The previous prime is 1206885041. The next prime is 1206885059. The reversal of 1206885049 is 9405886021.

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 1206885049 - 2³ = 1206885041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1206884996 and 1206885014.

It is not an unprimeable number, because it can be changed into a prime (1206885041) 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, 101284 + ... + 112570.

It is an arithmetic number, because the mean of its divisors is an integer number (157467600).

Almost surely, 2^1206885049 is an apocalyptic number.

It is an amenable number.

1206885049 is a deficient number, since it is larger than the sum of its proper divisors (52855751).

1206885049 is a wasteful number, since it uses less digits than its factorization.

1206885049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15959.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 1206885049 is about 34740.2511361101. The cubic root of 1206885049 is about 1064.6870436074.

The spelling of 1206885049 in words is "one billion, two hundred six million, eight hundred eighty-five thousand, forty-nine".