1206066461 has 4 divisors (see below), whose sum is σ = 1206660000. Its totient is φ = 1205472924.

The previous prime is 1206066419. The next prime is 1206066469. The reversal of 1206066461 is 1646606021.

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 a cyclic number.

It is not a de Polignac number, because 1206066461 - 2¹⁰ = 1206065437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206066469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293711 + ... + 297788.

It is an arithmetic number, because the mean of its divisors is an integer number (301665000).

Almost surely, 2^1206066461 is an apocalyptic number.

It is an amenable number.

1206066461 is a deficient number, since it is larger than the sum of its proper divisors (593539).

1206066461 is an equidigital number, since it uses as much as digits as its factorization.

1206066461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593538.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1206066461 is about 34728.4675878450. The cubic root of 1206066461 is about 1064.4462758122.

The spelling of 1206066461 in words is "one billion, two hundred six million, sixty-six thousand, four hundred sixty-one".