1009150091 has 8 divisors (see below), whose sum is σ = 1044353520. Its totient is φ = 973973728.

The previous prime is 1009150081. The next prime is 1009150111. The reversal of 1009150091 is 1900519001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1009150091 - 2⁶ = 1009150027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1009150091.

It is not an unprimeable number, because it can be changed into a prime (1009150061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95525 + ... + 105561.

It is an arithmetic number, because the mean of its divisors is an integer number (130544190).

Almost surely, 2^1009150091 is an apocalyptic number.

1009150091 is a deficient number, since it is larger than the sum of its proper divisors (35203429).

1009150091 is a wasteful number, since it uses less digits than its factorization.

1009150091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13533.

The product of its (nonzero) digits is 405, while the sum is 26.

The square root of 1009150091 is about 31767.1228001530. The cubic root of 1009150091 is about 1003.0407746509.

Adding to 1009150091 its reverse (1900519001), we get a palindrome (2909669092).

The spelling of 1009150091 in words is "one billion, nine million, one hundred fifty thousand, ninety-one".