1239227291048 has 16 divisors (see below), whose sum is σ = 2327417321460. Its totient is φ = 618582672000.

The previous prime is 1239227291033. The next prime is 1239227291087. The reversal of 1239227291048 is 8401927229321.

It can be written as a sum of positive squares in 2 ways, for example, as 1001884887364 + 237342403684 = 1000942^2 + 487178^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1239227290987 and 1239227291005.

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 3 ways as a sum of consecutive naturals, for example, 128866583 + ... + 128876198.

Almost surely, 2^{1239227291048} is an apocalyptic number.

It is an amenable number.

1239227291048 is a deficient number, since it is larger than the sum of its proper divisors (1088190030412).

1239227291048 is a wasteful number, since it uses less digits than its factorization.

1239227291048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257743388 (or 257743384 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 1239227291048 in words is "one trillion, two hundred thirty-nine billion, two hundred twenty-seven million, two hundred ninety-one thousand, forty-eight".