7124425 has 24 divisors (see below), whose sum is σ = 11017152. Its totient is φ = 4440000.

The previous prime is 7124417. The next prime is 7124431. The reversal of 7124425 is 5244217.

It is not a de Polignac number, because 7124425 - 2³ = 7124417 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7124425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75 + ... + 3775.

It is an arithmetic number, because the mean of its divisors is an integer number (459048).

Almost surely, 2^7124425 is an apocalyptic number.

It is an amenable number.

7124425 is a deficient number, since it is larger than the sum of its proper divisors (3892727).

7124425 is a wasteful number, since it uses less digits than its factorization.

7124425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3729 (or 3724 counting only the distinct ones).

The product of its digits is 2240, while the sum is 25.

The square root of 7124425 is about 2669.1618534664. The cubic root of 7124425 is about 192.4198800780.

The spelling of 7124425 in words is "seven million, one hundred twenty-four thousand, four hundred twenty-five".