1206964159 has 4 divisors (see below), whose sum is σ = 1209020904. Its totient is φ = 1204907416.

The previous prime is 1206964141. The next prime is 1206964163. The reversal of 1206964159 is 9514696021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1206964159 - 2⁵ = 1206964127 is a prime.

It is a super-2 number, since 2×1206964159² = 2913524962221154562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206964139) 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, 1027492 + ... + 1028665.

It is an arithmetic number, because the mean of its divisors is an integer number (302255226).

Almost surely, 2^1206964159 is an apocalyptic number.

1206964159 is a deficient number, since it is larger than the sum of its proper divisors (2056745).

1206964159 is an equidigital number, since it uses as much as digits as its factorization.

1206964159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056744.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 1206964159 is about 34741.3897102577. The cubic root of 1206964159 is about 1064.7103061244.

The spelling of 1206964159 in words is "one billion, two hundred six million, nine hundred sixty-four thousand, one hundred fifty-nine".