9121350 has 144 divisors (see below), whose sum is σ = 28243728. Its totient is φ = 1935360.

The previous prime is 9121339. The next prime is 9121361. The reversal of 9121350 is 531219.

It is an interprime number because it is at equal distance from previous prime (9121339) and next prime (9121361).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 124914 + ... + 124986.

It is an arithmetic number, because the mean of its divisors is an integer number (196137).

Almost surely, 2^9121350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9121350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14121864).

9121350 is an abundant number, since it is smaller than the sum of its proper divisors (19122378).

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

9121350 is a wasteful number, since it uses less digits than its factorization.

9121350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 9121350 is about 3020.1572806726. The cubic root of 9121350 is about 208.9390938420.

Adding to 9121350 its reverse (531219), we get a palindrome (9652569).

The spelling of 9121350 in words is "nine million, one hundred twenty-one thousand, three hundred fifty".