1229098947926 has 4 divisors (see below), whose sum is σ = 1843648421892. Its totient is φ = 614549473962.

The previous prime is 1229098947827. The next prime is 1229098947959. The reversal of 1229098947926 is 6297498909221.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 307274736980 + ... + 307274736983.

It is an arithmetic number, because the mean of its divisors is an integer number (460912105473).

Almost surely, 2^{1229098947926} is an apocalyptic number.

1229098947926 is a deficient number, since it is larger than the sum of its proper divisors (614549473966).

1229098947926 is an equidigital number, since it uses as much as digits as its factorization.

1229098947926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614549473965.

The product of its (nonzero) digits is 70543872, while the sum is 68.

The spelling of 1229098947926 in words is "one trillion, two hundred twenty-nine billion, ninety-eight million, nine hundred forty-seven thousand, nine hundred twenty-six".