9119421 has 12 divisors (see below), whose sum is σ = 13224640. Its totient is φ = 6055560.

The previous prime is 9119419. The next prime is 9119471. The reversal of 9119421 is 1249119.

It is not a de Polignac number, because 9119421 - 2¹ = 9119419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9119401) 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 11 ways as a sum of consecutive naturals, for example, 570 + ... + 4308.

Almost surely, 2^9119421 is an apocalyptic number.

It is an amenable number.

9119421 is a deficient number, since it is larger than the sum of its proper divisors (4105219).

9119421 is a wasteful number, since it uses less digits than its factorization.

9119421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4016 (or 4013 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 9119421 is about 3019.8379095574. The cubic root of 9119421 is about 208.9243638613.

The spelling of 9119421 in words is "nine million, one hundred nineteen thousand, four hundred twenty-one".