7125000 has 112 divisors (see below), whose sum is σ = 23437200. Its totient is φ = 1800000.

The previous prime is 7124993. The next prime is 7125037. The reversal of 7125000 is 5217.

It is a happy number.

7125000 is nontrivially palindromic in base 7.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a nialpdrome in base 5.

It is a zygodrome in base 5.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 374991 + ... + 375009.

Almost surely, 2^7125000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7125000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11718600).

7125000 is an abundant number, since it is smaller than the sum of its proper divisors (16312200).

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

7125000 is an equidigital number, since it uses as much as digits as its factorization.

7125000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58 (or 29 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 15.

The square root of 7125000 is about 2669.2695630078. The cubic root of 7125000 is about 192.4250565638.

The spelling of 7125000 in words is "seven million, one hundred twenty-five thousand".