1226679039987 has 8 divisors (see below), whose sum is σ = 1635577192704. Its totient is φ = 817783456968.

The previous prime is 1226679039977. The next prime is 1226679040007. The reversal of 1226679039987 is 7899309766221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1226679039987 - 2⁸ = 1226679039731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1226679039907) 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, 1389898 + ... + 2094080.

It is an arithmetic number, because the mean of its divisors is an integer number (204447149088).

Almost surely, 2^{1226679039987} is an apocalyptic number.

1226679039987 is a deficient number, since it is larger than the sum of its proper divisors (408898152717).

1226679039987 is an equidigital number, since it uses as much as digits as its factorization.

1226679039987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284849.

The product of its (nonzero) digits is 123451776, while the sum is 69.

The spelling of 1226679039987 in words is "one trillion, two hundred twenty-six billion, six hundred seventy-nine million, thirty-nine thousand, nine hundred eighty-seven".