1126426402649 has 8 divisors (see below), whose sum is σ = 1132852835520. Its totient is φ = 1120001454000.

The previous prime is 1126426402643. The next prime is 1126426402687. The reversal of 1126426402649 is 9462046246211.

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 1126426402649 - 2²⁰ = 1126425354073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1126426402643) 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, 1169324 + ... + 1902674.

It is an arithmetic number, because the mean of its divisors is an integer number (141606604440).

Almost surely, 2^{1126426402649} is an apocalyptic number.

It is an amenable number.

1126426402649 is a deficient number, since it is larger than the sum of its proper divisors (6426432871).

1126426402649 is an equidigital number, since it uses as much as digits as its factorization.

1126426402649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742111.

The product of its (nonzero) digits is 995328, while the sum is 47.

The spelling of 1126426402649 in words is "one trillion, one hundred twenty-six billion, four hundred twenty-six million, four hundred two thousand, six hundred forty-nine".