1120030209 has 6 divisors (see below), whose sum is σ = 1617821426. Its totient is φ = 746686800.

The previous prime is 1120030207. The next prime is 1120030229. The reversal of 1120030209 is 9020300211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 959450625 + 160579584 = 30975^2 + 12672^2 .

It is not a de Polignac number, because 1120030209 - 2¹ = 1120030207 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 = 1120030191 and 1120030200.

It is not an unprimeable number, because it can be changed into a prime (1120030207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62223892 + ... + 62223909.

Almost surely, 2^1120030209 is an apocalyptic number.

It is an amenable number.

1120030209 is a deficient number, since it is larger than the sum of its proper divisors (497791217).

1120030209 is a wasteful number, since it uses less digits than its factorization.

1120030209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124447807 (or 124447804 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1120030209 is about 33466.8523915829. The cubic root of 1120030209 is about 1038.5081571943.

The spelling of 1120030209 in words is "one billion, one hundred twenty million, thirty thousand, two hundred nine".