1228678295039 has 8 divisors (see below), whose sum is σ = 1323214156992. Its totient is φ = 1134145596960.

The previous prime is 1228678295027. The next prime is 1228678295071. The reversal of 1228678295039 is 9305928768221.

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 1228678295039 - 2⁴⁰ = 129166667263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228678295239) 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, 48617 + ... + 1568349.

It is an arithmetic number, because the mean of its divisors is an integer number (165401769624).

Almost surely, 2^{1228678295039} is an apocalyptic number.

1228678295039 is a deficient number, since it is larger than the sum of its proper divisors (94535861953).

1228678295039 is a wasteful number, since it uses less digits than its factorization.

1228678295039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581937.

The product of its (nonzero) digits is 26127360, while the sum is 62.

The spelling of 1228678295039 in words is "one trillion, two hundred twenty-eight billion, six hundred seventy-eight million, two hundred ninety-five thousand, thirty-nine".