7475121 has 12 divisors (see below), whose sum is σ = 11432772. Its totient is φ = 4690176.

The previous prime is 7475107. The next prime is 7475129. The reversal of 7475121 is 1215747.

7475121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6969600 + 505521 = 2640^2 + 711^2 .

It is not a de Polignac number, because 7475121 - 2⁵ = 7475089 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7475129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24276 + ... + 24581.

It is an arithmetic number, because the mean of its divisors is an integer number (952731).

Almost surely, 2^7475121 is an apocalyptic number.

It is an amenable number.

7475121 is a deficient number, since it is larger than the sum of its proper divisors (3957651).

7475121 is a wasteful number, since it uses less digits than its factorization.

7475121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48880 (or 48877 counting only the distinct ones).

The product of its digits is 1960, while the sum is 27.

The square root of 7475121 is about 2734.0667511968. The cubic root of 7475121 is about 195.5267023092.

The spelling of 7475121 in words is "seven million, four hundred seventy-five thousand, one hundred twenty-one".