7474121 has 2 divisors, whose sum is σ = 7474122. Its totient is φ = 7474120.

The previous prime is 7474109. The next prime is 7474123. The reversal of 7474121 is 1214747.

7474121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6948496 + 525625 = 2636^2 + 725^2 .

It is a cyclic number.

It is not a de Polignac number, because 7474121 - 2¹⁸ = 7211977 is a prime.

It is a Sophie Germain prime.

Together with 7474123, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7474123) 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 as a sum of consecutive naturals, namely, 3737060 + 3737061.

It is an arithmetic number, because the mean of its divisors is an integer number (3737061).

Almost surely, 2^7474121 is an apocalyptic number.

It is an amenable number.

7474121 is a deficient number, since it is larger than the sum of its proper divisors (1).

7474121 is an equidigital number, since it uses as much as digits as its factorization.

7474121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1568, while the sum is 26.

The square root of 7474121 is about 2733.8838673214. The cubic root of 7474121 is about 195.5179829220.

Adding to 7474121 its reverse (1214747), we get a palindrome (8688868).

The spelling of 7474121 in words is "seven million, four hundred seventy-four thousand, one hundred twenty-one".