1126378661222 has 4 divisors (see below), whose sum is σ = 1689567991836. Its totient is φ = 563189330610.

The previous prime is 1126378661209. The next prime is 1126378661231. The reversal of 1126378661222 is 2221668736211.

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, 281594665304 + ... + 281594665307.

It is an arithmetic number, because the mean of its divisors is an integer number (422391997959).

Almost surely, 2^{1126378661222} is an apocalyptic number.

1126378661222 is a deficient number, since it is larger than the sum of its proper divisors (563189330614).

1126378661222 is an equidigital number, since it uses as much as digits as its factorization.

1126378661222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563189330613.

The product of its digits is 580608, while the sum is 47.

The spelling of 1126378661222 in words is "one trillion, one hundred twenty-six billion, three hundred seventy-eight million, six hundred sixty-one thousand, two hundred twenty-two".