1206451725773 has 4 divisors (see below), whose sum is σ = 1378801972320. Its totient is φ = 1034101479228.

The previous prime is 1206451725767. The next prime is 1206451725779. The reversal of 1206451725773 is 3775271546021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1206451725767) and next prime (1206451725779).

It is a cyclic number.

It is not a de Polignac number, because 1206451725773 - 2¹² = 1206451721677 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 (1206451725779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86175123263 + ... + 86175123276.

It is an arithmetic number, because the mean of its divisors is an integer number (344700493080).

Almost surely, 2^{1206451725773} is an apocalyptic number.

It is an amenable number.

1206451725773 is a deficient number, since it is larger than the sum of its proper divisors (172350246547).

1206451725773 is an equidigital number, since it uses as much as digits as its factorization.

1206451725773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172350246546.

The product of its (nonzero) digits is 2469600, while the sum is 50.

The spelling of 1206451725773 in words is "one trillion, two hundred six billion, four hundred fifty-one million, seven hundred twenty-five thousand, seven hundred seventy-three".