1206863228 has 24 divisors (see below), whose sum is σ = 2149774032. Its totient is φ = 592694784.

The previous prime is 1206863219. The next prime is 1206863267. The reversal of 1206863228 is 8223686021.

It is a junction number, because it is equal to n+sod(n) for n = 1206863191 and 1206863200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88226 + ... + 100982.

It is an arithmetic number, because the mean of its divisors is an integer number (89573918).

Almost surely, 2^1206863228 is an apocalyptic number.

It is an amenable number.

1206863228 is a deficient number, since it is larger than the sum of its proper divisors (942910804).

1206863228 is a wasteful number, since it uses less digits than its factorization.

1206863228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13181 (or 13179 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 1206863228 is about 34739.9370753604. The cubic root of 1206863228 is about 1064.6806269024.

The spelling of 1206863228 in words is "one billion, two hundred six million, eight hundred sixty-three thousand, two hundred twenty-eight".