7933121 has 4 divisors (see below), whose sum is σ = 9066432. Its totient is φ = 6799812.

The previous prime is 7933109. The next prime is 7933139. The reversal of 7933121 is 1213397.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1213397 = 19 ⋅63863.

It is a cyclic number.

It is not a de Polignac number, because 7933121 - 2¹⁴ = 7916737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7933151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566645 + ... + 566658.

It is an arithmetic number, because the mean of its divisors is an integer number (2266608).

Almost surely, 2^7933121 is an apocalyptic number.

It is an amenable number.

7933121 is a deficient number, since it is larger than the sum of its proper divisors (1133311).

7933121 is a wasteful number, since it uses less digits than its factorization.

7933121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133310.

The product of its digits is 1134, while the sum is 26.

The square root of 7933121 is about 2816.5796633506. The cubic root of 7933121 is about 199.4411146908.

The spelling of 7933121 in words is "seven million, nine hundred thirty-three thousand, one hundred twenty-one".