1234000209 has 32 divisors (see below), whose sum is σ = 1898959104. Its totient is φ = 706717440.

The previous prime is 1234000189. The next prime is 1234000213. The reversal of 1234000209 is 9020004321.

It is a de Polignac number, because none of the positive numbers 2^k-1234000209 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1234000289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14599 + ... + 51779.

It is an arithmetic number, because the mean of its divisors is an integer number (59342472).

Almost surely, 2^1234000209 is an apocalyptic number.

It is an amenable number.

1234000209 is a deficient number, since it is larger than the sum of its proper divisors (664958895).

1234000209 is a wasteful number, since it uses less digits than its factorization.

1234000209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37257.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1234000209 is about 35128.3391153069. The cubic root of 1234000209 is about 1072.6015274375.

The spelling of 1234000209 in words is "one billion, two hundred thirty-four million, two hundred nine", and thus it is an aban number.