7121433 has 8 divisors (see below), whose sum is σ = 10358496. Its totient is φ = 4316000.

The previous prime is 7121417. The next prime is 7121437. The reversal of 7121433 is 3341217.

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

It is a cyclic number.

It is not a de Polignac number, because 7121433 - 2⁴ = 7121417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7121437) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 107868 + ... + 107933.

It is an arithmetic number, because the mean of its divisors is an integer number (1294812).

Almost surely, 2^7121433 is an apocalyptic number.

It is an amenable number.

7121433 is a deficient number, since it is larger than the sum of its proper divisors (3237063).

7121433 is a wasteful number, since it uses less digits than its factorization.

7121433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215815.

The product of its digits is 504, while the sum is 21.

The square root of 7121433 is about 2668.6013190434. The cubic root of 7121433 is about 192.3929398504.

It can be divided in two parts, 712 and 1433, that added together give a triangular number (2145 = T₆₅).

The spelling of 7121433 in words is "seven million, one hundred twenty-one thousand, four hundred thirty-three".