1009120204 has 24 divisors (see below), whose sum is σ = 1877894928. Its totient is φ = 472834560.

The previous prime is 1009120183. The next prime is 1009120207. The reversal of 1009120204 is 4020219001.

It is a super-2 number, since 2×1009120204² = 2036647172242003232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1009120207) 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 7 ways as a sum of consecutive naturals, for example, 16002 + ... + 47689.

It is an arithmetic number, because the mean of its divisors is an integer number (78245622).

Almost surely, 2^1009120204 is an apocalyptic number.

It is an amenable number.

1009120204 is a deficient number, since it is larger than the sum of its proper divisors (868774724).

1009120204 is a wasteful number, since it uses less digits than its factorization.

1009120204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63945 (or 63943 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1009120204 is about 31766.6523889440. The cubic root of 1009120204 is about 1003.0308725310.

Adding to 1009120204 its reverse (4020219001), we get a palindrome (5029339205).

The spelling of 1009120204 in words is "one billion, nine million, one hundred twenty thousand, two hundred four".