1126254346681 has 8 divisors (see below), whose sum is σ = 1130825501640. Its totient is φ = 1121684656128.

The previous prime is 1126254346673. The next prime is 1126254346691. The reversal of 1126254346681 is 1866434526211.

It can be written as a sum of positive squares in 4 ways, for example, as 125086005625 + 1001168341056 = 353675^2 + 1000584^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1126254346681 - 2³ = 1126254346673 is a prime.

It is a super-2 number, since 2×1126254346681² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1126254346631) 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, 1188555 + ... + 1914463.

It is an arithmetic number, because the mean of its divisors is an integer number (141353187705).

Almost surely, 2^{1126254346681} is an apocalyptic number.

It is an amenable number.

1126254346681 is a deficient number, since it is larger than the sum of its proper divisors (4571154959).

1126254346681 is an equidigital number, since it uses as much as digits as its factorization.

1126254346681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732203.

The product of its digits is 1658880, while the sum is 49.

The spelling of 1126254346681 in words is "one trillion, one hundred twenty-six billion, two hundred fifty-four million, three hundred forty-six thousand, six hundred eighty-one".