1206944258761 has 8 divisors (see below), whose sum is σ = 1208966774400. Its totient is φ = 1204922699760.

The previous prime is 1206944258731. The next prime is 1206944258771. The reversal of 1206944258761 is 1678524496021.

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 1206944258761 - 2¹⁹ = 1206943734473 is a prime.

It is a super-2 number, since 2×1206944258761² (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 (1206944258701) 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, 2308950 + ... + 2783008.

It is an arithmetic number, because the mean of its divisors is an integer number (151120846800).

Almost surely, 2^{1206944258761} is an apocalyptic number.

It is an amenable number.

1206944258761 is a deficient number, since it is larger than the sum of its proper divisors (2022515639).

1206944258761 is an equidigital number, since it uses as much as digits as its factorization.

1206944258761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478319.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 1206944258761 in words is "one trillion, two hundred six billion, nine hundred forty-four million, two hundred fifty-eight thousand, seven hundred sixty-one".