1206435426 has 32 divisors (see below), whose sum is σ = 2777708160. Its totient is φ = 342178176.

The previous prime is 1206435421. The next prime is 1206435487. The reversal of 1206435426 is 6245346021.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1206435421) 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 15 ways as a sum of consecutive naturals, for example, 99081 + ... + 110588.

It is an arithmetic number, because the mean of its divisors is an integer number (86803380).

Almost surely, 2^1206435426 is an apocalyptic number.

1206435426 is an abundant number, since it is smaller than the sum of its proper divisors (1571272734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1206435426 is a wasteful number, since it uses less digits than its factorization.

1206435426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209818.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 1206435426 is about 34733.7793221527. The cubic root of 1206435426 is about 1064.5548113945.

The spelling of 1206435426 in words is "one billion, two hundred six million, four hundred thirty-five thousand, four hundred twenty-six".