7125450 has 48 divisors (see below), whose sum is σ = 17960160. Its totient is φ = 1869120.

The previous prime is 7125421. The next prime is 7125463. The reversal of 7125450 is 545217.

It is a zygodrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 7125450.

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, 9696 + ... + 10404.

It is an arithmetic number, because the mean of its divisors is an integer number (374170).

Almost surely, 2^7125450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7125450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8980080).

7125450 is an abundant number, since it is smaller than the sum of its proper divisors (10834710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7125450 is a wasteful number, since it uses less digits than its factorization.

7125450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 7125450 is about 2669.3538544000. The cubic root of 7125450 is about 192.4291075324.

The spelling of 7125450 in words is "seven million, one hundred twenty-five thousand, four hundred fifty".