1206662051 has 32 divisors (see below), whose sum is σ = 1478131200. Its totient is φ = 962115840.

The previous prime is 1206662033. The next prime is 1206662059. The reversal of 1206662051 is 1502666021.

It is not a de Polignac number, because 1206662051 - 2⁶ = 1206661987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1206662059) 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 31 ways as a sum of consecutive naturals, for example, 3101765 + ... + 3102153.

It is an arithmetic number, because the mean of its divisors is an integer number (46191600).

Almost surely, 2^1206662051 is an apocalyptic number.

1206662051 is a deficient number, since it is larger than the sum of its proper divisors (271469149).

1206662051 is a wasteful number, since it uses less digits than its factorization.

1206662051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1206662051 is about 34737.0414831200. The cubic root of 1206662051 is about 1064.6214649494.

The spelling of 1206662051 in words is "one billion, two hundred six million, six hundred sixty-two thousand, fifty-one".