1228567149939 has 16 divisors (see below), whose sum is σ = 1673806747392. Its totient is φ = 801275231328.

The previous prime is 1228567149923. The next prime is 1228567150037. The reversal of 1228567149939 is 9399417658221.

It is not a de Polignac number, because 1228567149939 - 2⁴ = 1228567149923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1228567149939.

It is not an unprimeable number, because it can be changed into a prime (1228567139939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11078599 + ... + 11188944.

It is an arithmetic number, because the mean of its divisors is an integer number (104612921712).

Almost surely, 2^{1228567149939} is an apocalyptic number.

1228567149939 is a deficient number, since it is larger than the sum of its proper divisors (445239597453).

1228567149939 is a wasteful number, since it uses less digits than its factorization.

1228567149939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22267946.

The product of its digits is 58786560, while the sum is 66.

The spelling of 1228567149939 in words is "one trillion, two hundred twenty-eight billion, five hundred sixty-seven million, one hundred forty-nine thousand, nine hundred thirty-nine".