7388121 has 8 divisors (see below), whose sum is σ = 10608640. Its totient is φ = 4546512.

The previous prime is 7388099. The next prime is 7388167. The reversal of 7388121 is 1218837.

It is a happy number.

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

It is not a de Polignac number, because 7388121 - 2⁵ = 7388089 is a prime.

It is a Duffinian number.

7388121 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7388191) 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, 94681 + ... + 94758.

It is an arithmetic number, because the mean of its divisors is an integer number (1326080).

Almost surely, 2^7388121 is an apocalyptic number.

It is an amenable number.

7388121 is a deficient number, since it is larger than the sum of its proper divisors (3220519).

7388121 is a wasteful number, since it uses less digits than its factorization.

7388121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189455.

The product of its digits is 2688, while the sum is 30.

The square root of 7388121 is about 2718.1098211809. The cubic root of 7388121 is about 194.7651874454.

The spelling of 7388121 in words is "seven million, three hundred eighty-eight thousand, one hundred twenty-one".