1206066001 has 4 divisors (see below), whose sum is σ = 1378361152. Its totient is φ = 1033770852.

The previous prime is 1206065999. The next prime is 1206066077. The reversal of 1206066001 is 1006606021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1006606021 = 59 ⋅17061119.

It is a cyclic number.

It is not a de Polignac number, because 1206066001 - 2¹ = 1206065999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1206066091) 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, 86147565 + ... + 86147578.

It is an arithmetic number, because the mean of its divisors is an integer number (344590288).

Almost surely, 2^1206066001 is an apocalyptic number.

It is an amenable number.

1206066001 is a deficient number, since it is larger than the sum of its proper divisors (172295151).

1206066001 is an equidigital number, since it uses as much as digits as its factorization.

1206066001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172295150.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1206066001 is about 34728.4609650356. The cubic root of 1206066001 is about 1064.4461404837.

The spelling of 1206066001 in words is "one billion, two hundred six million, sixty-six thousand, one".