1202000009 has 16 divisors (see below), whose sum is σ = 1398079488. Its totient is φ = 1012172112.

The previous prime is 1201999973. The next prime is 1202000017. The reversal of 1202000009 is 9000002021.

It is not a de Polignac number, because 1202000009 - 2⁸ = 1201999753 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1201999957 and 1202000002.

It is not an unprimeable number, because it can be changed into a prime (1202000069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85004 + ... + 98130.

It is an arithmetic number, because the mean of its divisors is an integer number (87379968).

Almost surely, 2^1202000009 is an apocalyptic number.

It is an amenable number.

1202000009 is a deficient number, since it is larger than the sum of its proper divisors (196079479).

1202000009 is a wasteful number, since it uses less digits than its factorization.

1202000009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13364.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1202000009 is about 34669.8717765151. The cubic root of 1202000009 is about 1063.2486100304.

The spelling of 1202000009 in words is "one billion, two hundred two million, nine", and thus it is an aban number.