1228780883 has 16 divisors (see below), whose sum is σ = 1403246592. Its totient is φ = 1065792000.

The previous prime is 1228780873. The next prime is 1228780897. The reversal of 1228780883 is 3880878221.

It is a cyclic number.

It is not a de Polignac number, because 1228780883 - 2⁴ = 1228780867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1228780843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1166 + ... + 49587.

It is an arithmetic number, because the mean of its divisors is an integer number (87702912).

Almost surely, 2^1228780883 is an apocalyptic number.

1228780883 is a deficient number, since it is larger than the sum of its proper divisors (174465709).

1228780883 is a wasteful number, since it uses less digits than its factorization.

1228780883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50866.

The product of its (nonzero) digits is 344064, while the sum is 47.

The square root of 1228780883 is about 35053.9710018708. The cubic root of 1228780883 is about 1071.0871656106.

The spelling of 1228780883 in words is "one billion, two hundred twenty-eight million, seven hundred eighty thousand, eight hundred eighty-three".