7125500 has 24 divisors (see below), whose sum is σ = 15563184. Its totient is φ = 2850000.

The previous prime is 7125473. The next prime is 7125527. The reversal of 7125500 is 55217.

It is an interprime number because it is at equal distance from previous prime (7125473) and next prime (7125527).

It is a hoax number, since the sum of its digits (20) 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 (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6626 + ... + 7625.

It is an arithmetic number, because the mean of its divisors is an integer number (648466).

Almost surely, 2^7125500 is an apocalyptic number.

It is an amenable number.

7125500 is an abundant number, since it is smaller than the sum of its proper divisors (8437684).

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

7125500 is a wasteful number, since it uses less digits than its factorization.

7125500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14270 (or 14258 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 7125500 is about 2669.3632199459. The cubic root of 7125500 is about 192.4295576295.

The spelling of 7125500 in words is "seven million, one hundred twenty-five thousand, five hundred".