1126399839997 has 24 divisors (see below), whose sum is σ = 1170770328000. Its totient is φ = 1083660251520.

The previous prime is 1126399839977. The next prime is 1126399840039. The reversal of 1126399839997 is 7999389936211.

It is not a de Polignac number, because 1126399839997 - 2⁷ = 1126399839869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126399839977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321918754 + ... + 321922252.

It is an arithmetic number, because the mean of its divisors is an integer number (48782097000).

Almost surely, 2^{1126399839997} is an apocalyptic number.

It is an amenable number.

1126399839997 is a deficient number, since it is larger than the sum of its proper divisors (44370488003).

1126399839997 is an equidigital number, since it uses as much as digits as its factorization.

1126399839997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821 (or 4792 counting only the distinct ones).

The product of its digits is 357128352, while the sum is 76.

The spelling of 1126399839997 in words is "one trillion, one hundred twenty-six billion, three hundred ninety-nine million, eight hundred thirty-nine thousand, nine hundred ninety-seven".