9001021241 has 8 divisors (see below), whose sum is σ = 9074064384. Its totient is φ = 8928012240.

The previous prime is 9001021231. The next prime is 9001021343. The reversal of 9001021241 is 1421201009.

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 9001021241 - 2⁶ = 9001021177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9001021231) 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, 950711 + ... + 960131.

It is an arithmetic number, because the mean of its divisors is an integer number (1134258048).

Almost surely, 2^9001021241 is an apocalyptic number.

It is an amenable number.

9001021241 is a deficient number, since it is larger than the sum of its proper divisors (73043143).

9001021241 is a wasteful number, since it uses less digits than its factorization.

9001021241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17071.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 9001021241 is about 94873.7120650394. The cubic root of 9001021241 is about 2080.1624966275.

The spelling of 9001021241 in words is "nine billion, one million, twenty-one thousand, two hundred forty-one".