9851247120 has 320 divisors, whose sum is σ = 36758147328. Its totient is φ = 2150400000.

The previous prime is 9851247071. The next prime is 9851247127. The reversal of 9851247120 is 217421589.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (9851247127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1403620 + ... + 1410620.

Almost surely, 2^9851247120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9851247120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18379073664).

9851247120 is an abundant number, since it is smaller than the sum of its proper divisors (26906900208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9851247120 is a wasteful number, since it uses less digits than its factorization.

9851247120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7082 (or 7076 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 9851247120 is about 99253.4489073302. The cubic root of 9851247120 is about 2143.6986667635.

The spelling of 9851247120 in words is "nine billion, eight hundred fifty-one million, two hundred forty-seven thousand, one hundred twenty".