9421248129 has 8 divisors (see below), whose sum is σ = 12596656320. Its totient is φ = 6263336016.

The previous prime is 9421248127. The next prime is 9421248131. The reversal of 9421248129 is 9218421249.

It is an interprime number because it is at equal distance from previous prime (9421248127) and next prime (9421248131).

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

It is not a de Polignac number, because 9421248129 - 2¹ = 9421248127 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9421248127) 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, 4372762 + ... + 4374915.

It is an arithmetic number, because the mean of its divisors is an integer number (1574582040).

Almost surely, 2^9421248129 is an apocalyptic number.

It is an amenable number.

9421248129 is a deficient number, since it is larger than the sum of its proper divisors (3175408191).

9421248129 is a wasteful number, since it uses less digits than its factorization.

9421248129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8748039.

The product of its digits is 82944, while the sum is 42.

The square root of 9421248129 is about 97063.1141525966. The cubic root of 9421248129 is about 2112.0432823986.

The spelling of 9421248129 in words is "nine billion, four hundred twenty-one million, two hundred forty-eight thousand, one hundred twenty-nine".